{"id":63352,"date":"2022-05-01T10:13:41","date_gmt":"2022-05-01T10:13:41","guid":{"rendered":"https:\/\/thermaldevices.eu\/?p=63352"},"modified":"2023-07-28T08:21:01","modified_gmt":"2023-07-28T08:21:01","slug":"the-ultimate-guide-to-choosing-a-thermal-device-2","status":"publish","type":"post","link":"https:\/\/thermaldevices.eu\/ro\/the-ultimate-guide-to-choosing-a-thermal-device-2\/","title":{"rendered":"Ghidul suprem pentru alegerea unui dispozitiv termic"},"content":{"rendered":"<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Ghidul suprem pentru alegerea unui dispozitiv termic <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Printre cele mai importante instrumente vizuale pentru v\u00e2n\u0103toarea pe timp de noapte este luneta termic\u0103 (Iray este recomandat de noi). <\/span><span style=\"vertical-align: inherit;\">O optic\u0103 termic\u0103 pentru pu\u0219c\u0103 ofer\u0103 adaptabilitate \u00een toate anotimpurile \u0219i set\u0103rile meteorologice, indiferent dac\u0103 vremea este \u00eence\u021bo\u0219at\u0103 sau ploioas\u0103 sau dac\u0103 este noapte sau zi.<\/span><\/span><\/p>\n<table width=\"778\">\n<thead>\n<tr>\n<td><\/td>\n<td><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">V\u00e2n\u0103toare\/Civil<\/span><\/span><\/strong><\/td>\n<td><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Clasa de vanatoare\/militar<\/span><\/span><\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Gradul de rezisten\u021b\u0103\/recul<\/span><\/span><\/strong><\/td>\n<td><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Sc\u0103zut<\/span><\/span><\/td>\n<td><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u00cenalt<\/span><\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Durat\u0103 de via\u0163\u0103<\/span><\/span><\/strong><\/td>\n<td><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Medie spre Sc\u0103zut\u0103<\/span><\/span><\/td>\n<td><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u00cenalt<\/span><\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Robust<\/span><\/span><\/strong><\/td>\n<td><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Nu<\/span><\/span><\/td>\n<td><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">da<\/span><\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Pentru condi\u021bii meteorologice nefavorabile<\/span><\/span><\/strong><\/td>\n<td><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Nu<\/span><\/span><\/td>\n<td><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">da<\/span><\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Greutate<\/span><\/span><\/strong><\/td>\n<td><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Depinde de componentele interne<\/span><\/span><\/td>\n<td><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Depinde de componentele interne<\/span><\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Software<\/span><\/span><\/strong><\/td>\n<td><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Fantezist \u0219i func\u021bional<\/span><\/span><\/td>\n<td><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Func\u021bional \u0219i u\u0219or de utilizat<\/span><\/span><\/td>\n<\/tr>\n<tr>\n<td><strong><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Pre\u021b<\/span><\/span><\/strong><\/td>\n<td><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Sc\u0103zut<\/span><\/span><\/td>\n<td><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u00cenalt<\/span><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Nu este niciodat\u0103 u\u0219or s\u0103 alegi o pu\u0219c\u0103 termic\u0103, mai ales dac\u0103 e\u0219ti un \u00eencep\u0103tor care dore\u0219te s\u0103 o folose\u0219ti pentru v\u00e2n\u0103toare sau activit\u0103\u021bi militare. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Sectorul \u00eenregistreaz\u0103 un aflux de noi afaceri, de la proiecte militare de ultim\u0103 genera\u021bie p\u00e2n\u0103 la domenii destul de accesibile publicului. <\/span><span style=\"vertical-align: inherit;\">Optica termic\u0103 de calitate militar\u0103 este construit\u0103 pentru a rezista la situa\u021bii dure de lupt\u0103, \u00een timp ce cele mai u\u0219or accesibile sunt, \u00een general, mai economice. <\/span><span style=\"vertical-align: inherit;\">\u00cenainte de a c\u0103uta cea mai bun\u0103 pu\u0219c\u0103 termic\u0103, verifica\u021bi urm\u0103toarele pentru informa\u021biile cele mai aprofundate care s\u0103 v\u0103 ajute s\u0103 o alege\u021bi pe cea potrivit\u0103. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Totul devine mai simplu, \u00een partea de jos a acestei post\u0103ri, list\u00e2nd ac\u021biunile specifice care pot fi \u00eentreprinse \u00eenainte de a finaliza alegerea. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">1. Angajare<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Va fi folosit pentru aplicarea legii, \u00eempu\u0219c\u0103turi sau un scop complet diferit? <\/span><span style=\"vertical-align: inherit;\">\u00cenainte de a lua \u00een considerare orice op\u021biune, trebuie mai \u00eent\u00e2i s\u0103 determina\u021bi scopurile individuale de utilizare pentru domeniul dvs. termic. <\/span><span style=\"vertical-align: inherit;\">Urm\u0103toarele sunt cele mai importante considerente pentru un proiect de v\u00e2n\u0103toare sau militar. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">V\u00e2n\u0103toare\/Civil\u0103 Aplicarea legii\/Militare Rezistenta\/Grad de recul <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Sc\u0103zut Ridicat <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Durat\u0103 de via\u021b\u0103 <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Mediu spre sc\u0103zut <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Rigid <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Nu <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Da Pentru condi\u021bii meteorologice nefavorabile <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Nu <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Da Greutate <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Depinde de componentele interne <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Depinde de componentele interne Software <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Fantezist \u0219i func\u021bional <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Func\u021bional\u0103 \u0219i u\u0219or de utilizat Pre\u021b <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Sc\u0103zut <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Ridicat<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Tabelul de mai sus arat\u0103 clar c\u0103 o lunet\u0103 termic\u0103 de calitate militar\u0103 exceleaz\u0103 \u00een aproape toate categoriile, cu excep\u021bia pre\u021bului, care poate fi de dou\u0103 sau aproape trei ori mai mare dec\u00e2t a lunetelor de v\u00e2n\u0103toare\/civile. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Pentru v\u00e2n\u0103toarea obi\u0219nuit\u0103, totu\u0219i, un model accesibil publicului va fi potrivit. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Ar putea fi necesar s\u0103 se ia \u00een considerare un lunet\u0103 standard militar pentru v\u00e2n\u0103torii cu arme de mare vitez\u0103 sau care tr\u0103iesc \u00een circumstan\u021be climatice extreme, cum ar fi temperaturi exterioare extrem de ridicate sau sc\u0103zute, deoarece majoritatea lunetelor comerciale nu pot func\u021biona sub -20\u00b0C. <\/span><span style=\"vertical-align: inherit;\">\u00cen scopuri militare \u0219i de aplicare a legii, este nevoie de un dispozitiv robust care poate fi utilizat \u00een toate condi\u021biile meteorologice. <\/span><span style=\"vertical-align: inherit;\">\u00cen plus, modelul trebuie s\u0103 poat\u0103 func\u021biona ca un dispozitiv cu reac\u021bie rapid\u0103, s\u0103 fie u\u0219or de utilizat \u0219i un dispozitiv care are o durat\u0103 de via\u021b\u0103 a bateriei care poate func\u021biona pe tot parcursul nop\u021bii. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">2. Detector termic<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Printre cele mai importante aspecte de luat \u00een considerare atunci c\u00e2nd alege\u021bi o lunet\u0103 termic\u0103 este senzorul termic. <\/span><span style=\"vertical-align: inherit;\">Exist\u0103 o mare diferen\u021b\u0103 de calitate, iar performan\u021ba detectorului termic este critic\u0103 \u00een generarea unei imagini termice de \u00eenalt\u0103 calitate.<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-57434\" src=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/1-300x125.png\" alt=\"Ghidul suprem pentru alegerea unei lunete termice\" width=\"300\" height=\"125\" srcset=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/1-300x125.png 300w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/1-1024x427.png 1024w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/1-768x320.png 768w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/1-800x333.png 800w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/1.png 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">2.1 Rezolu\u021bie <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Rezolu\u021bia senzorului termic este criteriul principal pentru determinarea performan\u021bei reale. <\/span><span style=\"vertical-align: inherit;\">Rezolu\u021bia mai mare produce imagini mai clare, f\u0103r\u0103 ca obiectele s\u0103 par\u0103 pixelate. <\/span><span style=\"vertical-align: inherit;\">Datorit\u0103 faptului c\u0103 rezolu\u021bia suplimentar\u0103 este utilizat\u0103 pentru a \u00eembun\u0103t\u0103\u021bi calitatea imaginii, un dispozitiv cu un detector termic cu rezolu\u021bie 640*480 ar trebui s\u0103 ofere o calitate general\u0103 superioar\u0103 a imaginii dec\u00e2t un lunet\u0103 cu un detector termic cu rezolu\u021bie 384*288.<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-57450\" src=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/2-300x125.png\" alt=\"Ghidul suprem pentru alegerea unei lunete termice\" width=\"300\" height=\"125\" srcset=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/2-300x125.png 300w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/2-1024x427.png 1024w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/2-768x320.png 768w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/2-800x333.png 800w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/2.png 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Un senzor termic cu rezolu\u021bie mai bun\u0103, pe de alt\u0103 parte, are un FOV mai mic \u0219i o amplificare cu o dimensiune echivalent\u0103 a lentilei. <\/span><span style=\"vertical-align: inherit;\">De exemplu, nivelul de amplificare pentru dou\u0103 lunete termice de 12 microni, ambele cu lentile de 75 mm, dar cu rezolu\u021bii de 640*480 \u0219i 384*288, este de 4x, respectiv 7x. <\/span><span style=\"vertical-align: inherit;\">Dup\u0103 cum v\u0103 pute\u021bi da seama, rezolu\u021bia s-a modificat, ceea ce a dus la o varia\u021bie semnificativ\u0103 a gradului de amplificare. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">O imagine mai clar\u0103 este asigurat\u0103 de un detector termic cu rezolu\u021bie mai bun\u0103, iar costurile reflect\u0103 performan\u021ba. <\/span><span style=\"vertical-align: inherit;\">Pe baza m\u0103sur\u0103torilor lentilelor, un dispozitiv cu rezolu\u021bie 640*480 cost\u0103 cu 1000-2000 EUR mai mult dec\u00e2t o unitate de rezolu\u021bie 384*288. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">2.2 NETD<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Scopul detectorului termic pentru a identifica cea mai mic\u0103 schimbare de temperatur\u0103 este indicat de NETD. <\/span><span style=\"vertical-align: inherit;\">Sistemul va fi mai sensibil dac\u0103 NETD este sc\u0103zut. <\/span><span style=\"vertical-align: inherit;\">Este esen\u021bial s\u0103 ne g\u00e2ndim la calitatea senzorilor termici, deoarece mul\u021bi dintre ei au o rezolu\u021bie identic\u0103, dar au o diferen\u021b\u0103 \u00een NETD. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Valoarea r\u0103d\u0103cinii p\u0103trate a NETD-urilor este stabilit\u0103 de deschiderea lentilei lentilei termice. <\/span><span style=\"vertical-align: inherit;\">F-stop se refer\u0103 la volumul de lumin\u0103 pe care lentila \u00eel colecteaz\u0103. <\/span><span style=\"vertical-align: inherit;\">De obicei, lunetele termice \u00een fotografia termic\u0103 sunt descrise ca un num\u0103r F cuprins \u00eentre 0,8 \u0219i 1,6. <\/span><span style=\"vertical-align: inherit;\">NETD este frecvent referit la F\/1.0 pentru un singur detector. <\/span><span style=\"vertical-align: inherit;\">Num\u0103rul F are o influen\u021b\u0103 substan\u021bial\u0103 asupra NETD pentru camere sau module. <\/span><span style=\"vertical-align: inherit;\">Leg\u0103tura sa cu detectorul termic NETD este urm\u0103toarea: \u00cen general, NETD = NETD de detector x F\u00b2.<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">De exemplu, cei mai vechi detectoare termice care au un NETD de &lt;40mK @F\/1.0 este de 57.6mK @F\/1.2 \u0219i 25.6mK @F\/0.8. <\/span><span style=\"vertical-align: inherit;\">Ca rezultat, mai ales dac\u0103 sunte\u021bi un \u00eencep\u0103tor care caut\u0103 un lunet\u0103 termic, fi\u021bi con\u0219tien\u021bi de produc\u0103torii care afirm\u0103 c\u0103 NETD al lunetei lor este egal cu &lt;40mk, dar folosesc deschiderea F1.2 sau F1.1 pe sistemul lor de lentile.<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">O mare parte de firme \u00eencep s\u0103 afirme c\u0103 NETD-ul lor este la fel de sc\u0103zut pe c\u00e2t doresc s\u0103 scrie pe lista de specifica\u021bii. <\/span><span style=\"vertical-align: inherit;\">Unii produc\u0103tori sus\u021bin 15mk sau 20mk pentru o camer\u0103 termic\u0103 ner\u0103cit\u0103, ceea ce implic\u0103 faptul c\u0103 func\u021bioneaz\u0103 chiar mai bine dec\u00e2t o lunet\u0103 termic\u0103 r\u0103cit\u0103. <\/span><span style=\"vertical-align: inherit;\">De asemenea, nu uita\u021bi s\u0103 lua\u021bi \u00een considerare c\u0103 numai numerele NETD nu v\u0103 vor ar\u0103ta imaginea complet\u0103. <\/span><span style=\"vertical-align: inherit;\">De fapt, calitatea imaginii lunetei este determinat\u0103 \u00een mare parte de algoritmul termic utilizat de produc\u0103tor. <\/span><span style=\"vertical-align: inherit;\">Performan\u021ba NETD a detectorului termic, de exemplu, este analog\u0103 cu cea a ingredientelor alimentare la g\u0103tit. <\/span><span style=\"vertical-align: inherit;\">Evident, prefera\u021bi ca m\u00e2ncarea s\u0103 fie c\u00e2t mai proasp\u0103t\u0103 posibil, dar felul \u00een care o preg\u0103ti\u021bi determin\u0103 c\u00e2t de bun au gust mesele. <\/span><span style=\"vertical-align: inherit;\">Cu toate acestea, av\u00e2nd \u00een vedere acelea\u0219i ingrediente,<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-57466\" src=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/3-300x125.png\" alt=\"Ghidul suprem pentru alegerea unei lunete termice\" width=\"333\" height=\"139\" srcset=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/3-300x125.png 300w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/3-1024x427.png 1024w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/3-768x320.png 768w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/3-800x333.png 800w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/3.png 1200w\" sizes=\"auto, (max-width: 333px) 100vw, 333px\" \/><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">2.3 Rata de re\u00eemprosp\u0103tare <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Rata de re\u00eemprosp\u0103tare este cantitatea de apari\u021bii \u00een care cadrul unei imagini este actualizat pe secund\u0103. <\/span><span style=\"vertical-align: inherit;\">Frecven\u021ba este cuantificat\u0103 \u00een Her\u021bi (Hz) sau cadre pe secund\u0103 (fps). <\/span><span style=\"vertical-align: inherit;\">O rat\u0103 de re\u00eemprosp\u0103tare mai mare v\u0103 ajut\u0103 atunci c\u00e2nd obiectivele dvs. sunt \u00een mi\u0219care f\u0103r\u0103 \u201etragere\u201d. <\/span><span style=\"vertical-align: inherit;\">O lunet\u0103 termic\u0103 bun\u0103 ar trebui s\u0103 aib\u0103 minimum 50 Hz pentru a ob\u021bine cea mai bun\u0103 imagine a obiectivelor \u00een mi\u0219care. <\/span><span style=\"vertical-align: inherit;\">Deoarece majoritatea furnizorilor din industrie ofer\u0103 \u00een prezent o rat\u0103 de re\u00eemprosp\u0103tare de 50 Hz, termicele din genera\u021bia anterioar\u0103 cu rate de re\u00eemprosp\u0103tare de 9 Hz sau 30 Hz nu mai pot concura. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3. Algoritm \u0219i calitate a imaginii<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">C\u00e2nd vine vorba de ob\u021binerea calit\u0103\u021bii generale a imaginii termice, algoritmul termic este adesea esen\u021bial. <\/span><span style=\"vertical-align: inherit;\">Este u\u0219or s\u0103 face\u021bi o compara\u021bie a caracteristicilor hardware ale fiec\u0103rui produc\u0103tor, dar definirea calit\u0103\u021bii imaginii unui lunet\u0103 termic este \u00een general dificil\u0103. <\/span><span style=\"vertical-align: inherit;\">Acum, ce se \u00een\u021belege exact prin termenul \u201ecalitate a imaginii termice\u201d? <\/span><span style=\"vertical-align: inherit;\">Cele patru \u201ecaracteristici\u201d cheie pe care le folosim pentru a caracteriza calitatea imaginii termice sunt enumerate mai jos. <\/span><\/span><br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-57482\" src=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/4-300x125.png\" alt=\"Ghidul suprem pentru alegerea unei lunete termice\" width=\"300\" height=\"125\" srcset=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/4-300x125.png 300w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/4-1024x427.png 1024w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/4-768x320.png 768w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/4-800x333.png 800w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/4.png 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3.1. <\/span><span style=\"vertical-align: inherit;\">Specificatiile tintei<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Ceea ce presupune\u021bi c\u0103 ve\u021bi observa pe reticul \u00een c\u00e2mpul vizual se nume\u0219te detalii \u021bint\u0103. Cu c\u00e2t pute\u021bi ob\u021bine o temperatur\u0103 mai mare de informa\u021bii\/culoare, cu at\u00e2t va func\u021biona mai bine la \u201edetaliile \u021bintei\u201d. <\/span><span style=\"vertical-align: inherit;\">Este dificil s\u0103 ob\u021bine\u021bi un grad ridicat de detalii \u021bint\u0103, deoarece are nevoie de un detector termic de ultim\u0103 genera\u021bie cu un algoritm complex. <\/span><span style=\"vertical-align: inherit;\">\u00cenainte de a decide cu privire la nivelul \u201edetaliilor \u021bint\u0103\u201d, lua\u021bi \u00een considerare urm\u0103toarele \u00eentreb\u0103ri: <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Vede\u021bi doar creaturi vii \u00een eviden\u021biere, ca un obiect supraexpus \u0219i luminos odat\u0103 ce le-a\u021bi identificat? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Ave\u021bi o vedere clar\u0103 a buzelor, a nasului \u0219i a ochilor? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Sunte\u021bi capabil s\u0103 distinge\u021bi blana animalului de la o distan\u021b\u0103 diferit\u0103?<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Pute\u021bi percepe corpurile creaturilor \u00een culori diferite sau trebuie s\u0103 v\u0103 uita\u021bi la un bulg\u0103re de obiecte albe sau negre, care au toate aceea\u0219i temperatur\u0103?<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-57498\" src=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/5-300x250.png\" alt=\"Ghidul suprem pentru alegerea unei lunete termice\" width=\"300\" height=\"250\" srcset=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/5-300x250.png 300w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/5-1024x853.png 1024w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/5-768x640.png 768w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/5-800x667.png 800w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/5.png 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Pute\u021bi vizualiza c\u00e2te elemente dori\u021bi cu \u201edetalii \u021bint\u0103\u201d decente. <\/span><span style=\"vertical-align: inherit;\">Un aparat de imagine de calitate inferioar\u0103 poate afi\u0219a \u021binta \u00een modul de eviden\u021biere, ceea ce poate fi f\u0103cut de fiecare produc\u0103tor.<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-57514\" src=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/6-300x125.png\" alt=\"\" width=\"300\" height=\"125\" srcset=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/6-300x125.png 300w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/6-1024x427.png 1024w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/6-768x320.png 768w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/6-800x333.png 800w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/6.png 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">C\u00e2nd nu trage\u021bi la o raz\u0103 mai mic\u0103 de 50 de metri, a\u021bi dori s\u0103 vede\u021bi c\u00e2t mai mult posibil din \u021bint\u0103, deoarece poate fi necesar s\u0103 confirma\u021bi specia animalului \u00eenainte de a trage. <\/span><span style=\"vertical-align: inherit;\">Un algoritm puternic de \u201edetalii \u021bint\u0103\u201d v\u0103 permite s\u0103 identifica\u021bi caracteristicile corpului animalului dintr-o varietate de game, permi\u021b\u00e2ndu-v\u0103 s\u0103 trage\u021bi \u00eentotdeauna cu \u00eencredere.<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-57530\" src=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/7-300x125.png\" alt=\"Ghidul suprem pentru alegerea unei lunete termice\" width=\"300\" height=\"125\" srcset=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/7-300x125.png 300w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/7-1024x427.png 1024w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/7-768x320.png 768w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/7-800x333.png 800w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/7.png 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3.2 \u201eMarginea\u201d \u021bintei <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Acest termen se refer\u0103 la c\u00e2t de \u201eneted\u0103\u201d este marginea obiectivului dvs., precum \u0219i dac\u0103 imaginea este \u201epixelat\u0103\u201d. <\/span><span style=\"vertical-align: inherit;\">\u201eMarginea \u021bint\u0103\u201d este mai neted\u0103 \u0219i mai clar\u0103 atunci c\u00e2nd rezolu\u021bia detectorului termic este mai mare, dar poate fi atins\u0103 \u0219i cu un algoritm termic bun.<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-57546\" src=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/8-300x125.png\" alt=\"Ghidul suprem pentru alegerea unei lunete termice\" width=\"300\" height=\"125\" srcset=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/8-300x125.png 300w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/8-1024x427.png 1024w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/8-768x320.png 768w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/8-800x333.png 800w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/8.png 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3.3 Nivelul de zgomot <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u201eFulgi de z\u0103pad\u0103\u201d se refer\u0103 la sunetul din c\u00e2mpul vizual. <\/span><span style=\"vertical-align: inherit;\">Era mult zgomot \u00een imaginile originale. <\/span><span style=\"vertical-align: inherit;\">Algoritmul reduce cantitatea de zgomot \u0219i ofer\u0103 o imagine curat\u0103. <\/span><span style=\"vertical-align: inherit;\">Unele aparate de imagine au detectoare de calitate inferioar\u0103 \u0219i nu pot utiliza algoritmul potrivit pentru a sc\u0103pa complet de zgomot, l\u0103s\u00e2nd un strat de \u201ecea\u021b\u0103\u201d pe imagine care trebuie s\u0103 fie \u00een mod constant eliminat.<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-57562\" src=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/9-300x125.png\" alt=\"Ghidul suprem pentru alegerea unei lunete termice\" width=\"300\" height=\"125\" srcset=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/9-300x125.png 300w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/9-1024x427.png 1024w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/9-768x320.png 768w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/9-800x333.png 800w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/9.png 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3.4 Informa\u021bii de fundal <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Claritatea vizual\u0103 a \u00eemprejurimilor dvs. este ar\u0103tat\u0103 de informa\u021biile de fundal. <\/span><span style=\"vertical-align: inherit;\">Este posibil s\u0103 vezi clar iarba, copacii \u0219i mun\u021bii din spatele animalului? <\/span><span style=\"vertical-align: inherit;\">\u201eDetalii de fundal\u201d este un parametru de referin\u021b\u0103 care poate fi utilizat pentru a ajuta la distingerea aspectelor de mediu atunci c\u00e2nd v\u0103 monitoriza\u021bi obiectivele.<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-57578\" src=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/10-300x125.png\" alt=\"Ghidul suprem pentru alegerea unei lunete termice\" width=\"300\" height=\"125\" srcset=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/10-300x125.png 300w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/10-1024x427.png 1024w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/10-768x320.png 768w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/10-800x333.png 800w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/10.png 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">4. C\u00e2mpul vizual \u0219i amplificarea <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Nivelul de m\u0103rire \u0219i c\u00e2mpul vizual al lunetei termice nu pot fi abordate independent. <\/span><span style=\"vertical-align: inherit;\">O m\u0103rire mai mic\u0103 este preferat\u0103 de anumi\u021bi utilizatori c\u0103rora le place un c\u00e2mp vizual mai mare. <\/span><span style=\"vertical-align: inherit;\">Unii oameni au nevoie de o lunet\u0103 de amplificare mare pentru a fotografia distan\u021be mai mari. <\/span><span style=\"vertical-align: inherit;\">Nivelul de amplificare este determinat de mai mul\u021bi factori, inclusiv distan\u021ba focal\u0103 a obiectivului \u0219i a ocularului, pasul pixelilor senzorului \u0219i dimensiunea ecranului de afi\u0219are. <\/span><span style=\"vertical-align: inherit;\">Produc\u0103torii pot ob\u021bine cu u\u0219urin\u021b\u0103 un nivel ridicat de amplificare de baz\u0103 datorit\u0103 progreselor tehnologice, a\u0219a c\u0103 de ce lunetele lor termice sunt adesea la un nivel mai sc\u0103zut?<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Cel mai esen\u021bial punct este c\u0103 cre\u0219terea amplific\u0103rii poate sc\u0103dea rezolu\u021bia imaginii, ceea ce implic\u0103 faptul c\u0103 calitatea imaginii termice nu poate fi p\u0103strat\u0103 la cel mai mare nivel cu o m\u0103rire de baz\u0103 mai mare. <\/span><span style=\"vertical-align: inherit;\">Apoi, este scumpa lunet\u0103 termic\u0103 cu rezolu\u021bie 640*480 cu obiectiv de 50 mm, care ofer\u0103 o calitate excelent\u0103 a imaginii, dar v\u0103 permite doar s\u0103 fotografia\u021bi distan\u021be ceva mai scurte, de obicei, p\u00e2n\u0103 la 150 de metri, datorit\u0103 m\u0103ririi sale de 2x. <\/span><span style=\"vertical-align: inherit;\">Pentru c\u0103 amplificarea este foarte slab\u0103 \u0219i nu po\u021bi distinge dac\u0103 scopul t\u0103u este \u00eentr-adev\u0103r un iepure sau o vulpe la o distan\u021b\u0103 de peste 150 de metri.<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Nu ajungem la nicio concluzie dac\u0103 o m\u0103rire de baz\u0103 mai mare sau mai mic\u0103 este mai bun\u0103 sau nu. <\/span><span style=\"vertical-align: inherit;\">Cel mai esen\u021bial punct este s\u0103 v\u0103 g\u0103si\u021bi luneta perfect\u0103 cu amplificarea potrivit\u0103 pentru stilul dvs. de fotografiere, mai degrab\u0103 dec\u00e2t s\u0103 v\u0103 \u00eendr\u0103gi\u021bi de mitul c\u0103 anumi\u021bi produc\u0103tori v\u0103 sugereaz\u0103 c\u0103 alegerea unei amplificari sc\u0103zute este cea mai bun\u0103 op\u021biune.<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-57594\" src=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/11-300x125.png\" alt=\"Ghidul suprem pentru alegerea unei lunete termice\" width=\"300\" height=\"125\" srcset=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/11-300x125.png 300w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/11-1024x427.png 1024w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/11-768x320.png 768w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/11-800x333.png 800w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/11.png 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">5. Domeniul de detectare <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Printre cele mai controversate aspecte ale lunetelor termice se num\u0103r\u0103 domeniul de detectare. <\/span><span style=\"vertical-align: inherit;\">Fiecare produc\u0103tor poate pune o distan\u021b\u0103 de detectare destul de mare pe lista de specifica\u021bii. <\/span><span style=\"vertical-align: inherit;\">C\u00e2nd un \u00eencep\u0103tor pune \u00eentrebarea \u201eEste posibil s\u0103 vezi at\u00e2t de departe?\u201d, ei sunt adesea nemul\u021bumi\u021bi de performan\u021ba real\u0103 \u00een compara\u021bie cu ceea ce clien\u021bii pot vedea \u00een materialele publicitare pentru a \u00een\u021belege mai bine acest lucru, s\u0103 \u00eencepem cu defini\u021bia. a \u201erazei de detectare\u201d.<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Majoritatea statisticilor privind \u201eraza de detectare\u201d sunt \u00eenr\u0103d\u0103cinate \u00een conceptul DRI, care a fost stabilit \u00een anii 1950 pentru a descrie eficien\u021ba unei camere termice utilizate \u00een scopuri militare. <\/span><span style=\"vertical-align: inherit;\">DRI este o tehnic\u0103 militar\u0103 care se aplic\u0103 cu greu \u00een situa\u021bii din via\u021ba real\u0103. <\/span><span style=\"vertical-align: inherit;\">Majoritatea utilizatorilor, pe de alt\u0103 parte, anticipeaz\u0103 detalii mai mari dec\u00e2t evaluarea DRI asupra obiectivelor lor. <\/span><span style=\"vertical-align: inherit;\">Drept urmare, ei pot fi u\u0219or nemul\u021bumi\u021bi.<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Litera \u201eD\u201d \u00eenseamn\u0103 detec\u021bie. <\/span><span style=\"vertical-align: inherit;\">\u201eDetecta\u201d \u00eenseamn\u0103 \u201ea vedea dac\u0103 un obiect este acolo sau nu\u201d, pe baza criteriului lui Johnson. <\/span><span style=\"vertical-align: inherit;\">Acesta va fi afi\u0219at pe cel pu\u021bin 2 pixeli, prin urmare nu vor lipsi informa\u021bii pentru a determina care ar fi obiectul la acel interval. <\/span><span style=\"vertical-align: inherit;\">\u0218tii doar c\u0103 exist\u0103 ceva acolo. <\/span><span style=\"vertical-align: inherit;\">Ve\u021bi fi dezam\u0103git de fiecare dat\u0103 c\u00e2nd o astfel de m\u0103sur\u0103toare este utilizat\u0103 pentru a verifica c\u00e2t de departe pute\u021bi vedea de fapt prin luneta dvs. termic\u0103.<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Litera \u201eR\u201d \u00eenseamn\u0103 \u201eRecunoa\u0219tere\u201d. <\/span><span style=\"vertical-align: inherit;\">\u201eA fi capabil s\u0103 recunoasc\u0103 tipul de obiect care este\u201d este definit ca \u201erecunoa\u0219tere\u201d. <\/span><span style=\"vertical-align: inherit;\">Intervalul la care pute\u021bi stabili tipul unui obiect este denumit (vehicul, om sau animal) drept recunoa\u0219tere. <\/span><span style=\"vertical-align: inherit;\">Raza de detectare este de obicei 1\/3 din raza de recunoa\u0219tere. <\/span><span style=\"vertical-align: inherit;\">Defini\u021bia DRI a \u201erecunoa\u0219terii\u201d este cea mai asem\u0103n\u0103toare cu ceea ce g\u00e2ndesc oamenii \u00een general atunci c\u00e2nd se g\u00e2ndesc la \u201eraza de detectare\u201d \u00een termeni de \u201eC\u00e2t de departe pot vedea folosind o lunet\u0103 termic\u0103?\u201d<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Litera \u201eI\u201d \u00eenseamn\u0103 identificare. <\/span><span style=\"vertical-align: inherit;\">Intervalul \u00een care pute\u021bi distinge elementele dintr-o clas\u0103 se nume\u0219te identificare. <\/span><span style=\"vertical-align: inherit;\">De exemplu, recunoa\u0219terea formei unui vehicul (tractor, SUV sau automobil) sau dac\u0103 individul este soldat sau civil este un exemplu de identificare. <\/span><span style=\"vertical-align: inherit;\">\u201eCu luneta termic\u0103, c\u00e2t de departe pot trage?\u201d <\/span><span style=\"vertical-align: inherit;\">Scopul de identificare este elementul pe care majoritatea oamenilor \u00eel asociaz\u0103 cu termenul \u201epoligon de tragere\u201d, deoarece v\u0103 ofer\u0103 cele mai elementare \u201edate\u201d despre obiectele spre care s\u0103 \u021binti\u021bi. <\/span><span style=\"vertical-align: inherit;\">Distan\u021ba de identificare este de aproximativ 1\/3 din domeniul de recunoa\u0219tere, \u00een timp ce intervalul de recunoa\u0219tere este de aproximativ 1\/6 din domeniul de detectare.<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">De exemplu, dac\u0103 un aparat de imagine cu lentile de temperatur\u0103 de 17 microni, 50 mm, cu rezolu\u021bie 384*288, are o raz\u0103 de detectare de 1800 de metri, \u201eraza de fotografiere\u201d aproximativ\u0103 pentru un obiectiv de dimensiune uman\u0103 este de p\u00e2n\u0103 la 300 de metri. <\/span><span style=\"vertical-align: inherit;\">Dar, pentru c\u0103 ve\u021bi \u00eempu\u0219ca specii de animale care au \u00een mod obi\u0219nuit sub 1,7 m \u00een\u0103l\u021bime, va trebui s\u0103 v\u0103 g\u00e2ndi\u021bi la dimensiunea obiectivului \u0219i la poligonul de tragere care \u00eel \u00eenso\u021be\u0219te. <\/span><span style=\"vertical-align: inherit;\">S\u0103 presupunem c\u0103 trage\u021bi \u00eentr-un lup care are aproximativ 1\/3 din dimensiunea unui om; <\/span><span style=\"vertical-align: inherit;\">raza de tragere aproximativ\u0103 ar trebui s\u0103 fie de aproximativ 100 de metri. <\/span><span style=\"vertical-align: inherit;\">Ca rezultat, \u00een loc s\u0103 utiliza\u021bi o lunet\u0103 de detectare de 1800 de metri, ar trebui s\u0103 utiliza\u021bi un punct de referin\u021b\u0103 de 100 de metri.<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u00cen plus, m\u0103sur\u0103torile intervalului DRI sunt calculate cu o probabilitate de 50% \u0219i nu \u021bin cont de diver\u0219i factori meteorologici. <\/span><span style=\"vertical-align: inherit;\">Deoarece vremea real\u0103 este rareori perfect\u0103, aceste intervale sunt de obicei mai mici dec\u00e2t cele men\u021bionate. <\/span><span style=\"vertical-align: inherit;\">Pentru un dispozitiv cu senzor 384*288 (17 microni) \u0219i obiectiv de 50 mm, raza de tragere real\u0103 pentru lupii din c\u00e2mp trebuie redus\u0103 la aproximativ 100 de metri dac\u0103 v\u0103 afla\u021bi \u00eentr-un loc cu umiditate semnificativ\u0103, precum Marea Britanie. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">6. Performan\u021ba software-ului <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Netezimea cu care func\u021bioneaz\u0103 func\u021bia scope termic este adesea denumit\u0103 performan\u021b\u0103 software. <\/span><span style=\"vertical-align: inherit;\">Utilizatorii finali critic\u0103 lunetele termice, deoarece software-ul lor este dificil de utilizat sau \u00eent\u00e2rzie \u00een timpul panoului. <\/span><span style=\"vertical-align: inherit;\">Pentru a determina dac\u0103 software-ul func\u021bioneaz\u0103 bine, lua\u021bi \u00een considerare singur sau adresa\u021bi produc\u0103torilor urm\u0103toarele \u00eentreb\u0103ri:<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Este simplu s\u0103 schimba\u021bi contrastul, luminozitatea \u0219i c\u00e2\u0219tigul imaginii? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Este simplu s\u0103 \u201ezerezi\u201d domeniul termic? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Este simplu s\u0103 utiliza\u021bi aceste op\u021biuni de meniu? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Panarea cauzeaz\u0103 aburirea lunetei? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Scopul porne\u0219te \u00een c\u00e2teva secunde? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 \u201ePOI\u201d se modific\u0103 dup\u0103 c\u00e2teva fotografii? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">7. Durabilitate \u0219i siguran\u021b\u0103 <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Durabilitatea se concentreaz\u0103 \u00een primul r\u00e2nd pe rata de recul a dispozitivului. <\/span><span style=\"vertical-align: inherit;\">Majoritatea produselor din industrie pretind c\u0103 sunt evaluate 9000J, care servesc majoritatea pu\u0219tilor de v\u00e2n\u0103toare. <\/span><span style=\"vertical-align: inherit;\">Cu toate acestea, pentru calibrele mai mari de .50, este necesar\u0103 o termic\u0103 de calitate militar\u0103 pentru a rezista la energia de recul mai mare.<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Aplica\u021biile militare \u0219i de aplicare a legii necesit\u0103 o evaluare standard mai mare, de obicei aproape sau egal\u0103 cu MIL-STD-810, care include urm\u0103toarele teste: <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Testarea temperaturii la cea mai sc\u0103zut\u0103 \u0219i cea mai ridicat\u0103 temperatur\u0103 de func\u021bionare <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Testarea la depozitare at\u00e2t la cea mai sc\u0103zut\u0103, c\u00e2t \u0219i la cea mai ridicat\u0103 temperatur\u0103 de depozitare. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Test de vibra\u021bii <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Nisip \u0219i praf <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Test de c\u0103dere <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Test de \u0219oc <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Test de umiditate <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Test de foc de mitralier\u0103 <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Test de penetrare a apei de 1 m<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Doar dispozitivele cu cea mai bun\u0103 evaluare pot trece MIL-STD-810, care este cea mai serioas\u0103 metod\u0103 de testare pentru domeniul termic. <\/span><span style=\"vertical-align: inherit;\">Un dispozitiv tipic certificat MIL-STD-810 este excep\u021bional de durabil, are o durat\u0103 de via\u021b\u0103 de peste 10 ani \u0219i ofer\u0103 \u00eentotdeauna cea mai bun\u0103 calitate, chiar \u0219i \u00een cele mai nefavorabile circumstan\u021be climatice. <\/span><span style=\"vertical-align: inherit;\">Cu toate acestea, majoritatea acestor lunete termice sunt extrem de scumpe \u0219i inaccesibile consumatorului mediu. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">8. Reticulul <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Pentru un aparat de imagine termic\u0103, este esen\u021bial s\u0103 ai \u00eencruci\u0219area corect\u0103 cu multe posibilit\u0103\u021bi. <\/span><span style=\"vertical-align: inherit;\">Un furnizor va furniza de obicei cel pu\u021bin \u0219ase reticule diferite pentru a acoperi majoritatea nevoilor. <\/span><span style=\"vertical-align: inherit;\">De\u0219i \u00eencruci\u0219area este un subiect larg, acest articol se va concentra pe cele mai importante caracteristici ale unei lunete termice. <\/span><span style=\"vertical-align: inherit;\">Urm\u0103torii sunt factorii cheie de care trebuie s\u0103 lua\u021bi \u00een considerare:<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Prima \u00eentrebare este simpl\u0103: este reticula dvs. preferat\u0103 acoperit\u0103 de scop? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Este echipat cu un reticul\u0103 mil-dot sau MOA? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Este extensibil\u0103 \u00eencruci\u0219area mil-dot sau MOA \u00een acela\u0219i mod ca reticulul FFP? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Are o procedur\u0103 simpl\u0103 de zero? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u2022 Scopul este capabil s\u0103 \u201ep\u0103streze zero\u201d?<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-57610\" src=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/12-300x125.gif\" alt=\"Ghidul suprem pentru alegerea unei lunete termice\" width=\"300\" height=\"125\" srcset=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/12-300x125.gif 300w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/12-1024x427.gif 1024w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/12-768x320.gif 768w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/12-800x333.gif 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">\u00cen general, va fi de dorit s\u0103 existe un num\u0103r suficient de fire \u00eencruci\u0219ate pentru a acoperi at\u00e2t distan\u021be lungi, c\u00e2t \u0219i scurte. <\/span><span style=\"vertical-align: inherit;\">\u00cen plus, reticulele scalabile au primit o mul\u021bime de comentarii pozitive de la sute de utilizatori. <\/span><span style=\"vertical-align: inherit;\">Fotografierea unei lunete termice cu o lunet\u0103 de zi \u00een stil FFP este semnificativ mai u\u0219oar\u0103. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">9. Baterie <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">O lunet\u0103 termic\u0103 fin\u0103 va include \u0219i baterii excelente care ar trebui s\u0103 dureze cel pu\u021bin 7 ore la o singur\u0103 \u00eenc\u0103rcare. <\/span><span style=\"vertical-align: inherit;\">Pentru a func\u021biona toat\u0103 noaptea, un dispozitiv militar real necesit\u0103 o durat\u0103 de via\u021b\u0103 de peste 10 baterii. <\/span><span style=\"vertical-align: inherit;\">C\u00e2nd ai de-a face cu set\u0103ri meteorologice dificile, nu vrei s\u0103 fii deranjat de necesitatea unui power bank. <\/span><span style=\"vertical-align: inherit;\">Anumi\u021bi produc\u0103tori produc ei \u00een\u0219i\u0219i baterii, pe care le pute\u021bi cump\u0103ra doar de la ei dac\u0103 ave\u021bi nevoie de o \u00eenlocuire.<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Potrivit unui sondaj de peste 200 de utilizatori de lunete termice, 82% prefer\u0103 bateriile de tip 18650 fa\u021b\u0103 de bateriile CR123, deoarece au o durat\u0103 de via\u021b\u0103 mai mare a bateriei \u0219i sunt mai disponibile pe scar\u0103 larg\u0103. <\/span><span style=\"vertical-align: inherit;\">Bateriile CR123 au primit multe critici pentru calitatea lor sc\u0103zut\u0103 \u0219i durata de via\u021b\u0103 a bateriei. <\/span><span style=\"vertical-align: inherit;\">Dac\u0103 ave\u021bi capacitatea, efectua\u021bi propriul test de capacitate a bateriei. <\/span><span style=\"vertical-align: inherit;\">Porni\u021bi dispozitivul \u0219i juca\u021bi-v\u0103 cu el pentru a vedea dac\u0103 capacitatea bateriei se potrive\u0219te cu ceea ce spune fi\u0219a cu specifica\u021bii. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Concluzii <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Nu \u00een ultimul r\u00e2nd, dup\u0103 ce a\u021bi citit un articol at\u00e2t de lung, cum ar trebui s\u0103 alege\u021bi o lunet\u0103 termic\u0103 la sf\u00e2r\u0219itul zilei? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Pentru a u\u0219ura lucrurile, g\u00e2ndi\u021bi-v\u0103 la urm\u0103toarele \u00eentreb\u0103ri \u00eenainte de a merge la cump\u0103r\u0103turi:<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">1. Care va fi folosirea lunetei dvs. termice? <\/span><span style=\"vertical-align: inherit;\">Este destinat v\u00e2n\u0103torii, aplic\u0103rii legii sau cu totul altceva? <\/span><span style=\"vertical-align: inherit;\">\u00cel vei folosi doar ca lunet\u0103 sau \u00eel vei folosi ocazional ca monocular? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">A. <\/span><span style=\"vertical-align: inherit;\">Dac\u0103 nu ave\u021bi criterii stricte pentru recul, set\u0103rile climatice sau al\u021bi factori, alege\u021bi m\u0103rci de v\u00e2nzare cu am\u0103nuntul vizibile pe pia\u021b\u0103 pentru activit\u0103\u021bi de v\u00e2n\u0103toare. <\/span><span style=\"vertical-align: inherit;\">Dac\u0103 sunte\u021bi \u00een c\u0103utarea unui lunet\u0103 termic de calitate militar\u0103 la un pre\u021b destul de accesibil, verifica\u021bi dispozitivele de lunet\u0103 termic\u0103 cu dubl\u0103 utilizare Senopex. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">b. <\/span><span style=\"vertical-align: inherit;\">Dac\u0103 dori\u021bi s\u0103 \u00eel utiliza\u021bi ca lunet\u0103 \u0219i monocular, alege\u021bi o lentil\u0103 mai sub\u021bire. <\/span><span style=\"vertical-align: inherit;\">S\u0103 consider\u0103m c\u0103 lungimea optim\u0103 a lentilei este undeva \u00een jur de 35 mm<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">c. <\/span><span style=\"vertical-align: inherit;\">Pentru fotografii de peste 100 de metri, utiliza\u021bi un obiectiv cu o distan\u021b\u0103 focal\u0103 de cel pu\u021bin 50 mm. <\/span><span style=\"vertical-align: inherit;\">Deoarece au o amplificare ridicat\u0103, un obiectiv de 75 mm se va potrivi cu raza de ac\u021biune medie p\u00e2n\u0103 la distan\u021b\u0103 lung\u0103, cu o direc\u021bionare \u00eembun\u0103t\u0103\u021bit\u0103. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">d. <\/span><span style=\"vertical-align: inherit;\">Dac\u0103 ave\u021bi un buget limitat, dar dori\u021bi totu\u0219i s\u0103 viza\u021bi o gam\u0103 mai mare, alege\u021bi o lunet\u0103 termic\u0103 de 12 microni. <\/span><span style=\"vertical-align: inherit;\">Un model de lentile de 12 microni de 35 mm are aproximativ aceea\u0219i m\u0103rire ca un tip de lentil\u0103 de 17 microni de 50 mm. <\/span><span style=\"vertical-align: inherit;\">Raza de detectare este aceea\u0219i. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">2. Poligonul de tragere. <\/span><span style=\"vertical-align: inherit;\">\u00cencerca\u021bi s\u0103 tragi de la o distan\u021b\u0103 mare sau doar e\u0219ti interesat s\u0103 tragi la o distan\u021b\u0103 mai mic\u0103 de 100 de metri?<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">A. <\/span><span style=\"vertical-align: inherit;\">C\u00e2nd fotografia\u021bi la o distan\u021b\u0103 mic\u0103, este necesar un obiectiv mai mic. <\/span><span style=\"vertical-align: inherit;\">Dac\u0103 obiectivul dvs. este mai mic de 100 de metri, nu ve\u021bi avea nevoie de nimic mai mult dec\u00e2t un model de lentil\u0103 de 35 mm. <\/span><span style=\"vertical-align: inherit;\">De ce s\u0103 nu folosi\u021bi un obiectiv cu o distan\u021b\u0103 focal\u0103 de 19 mm sau 25 mm? <\/span><span style=\"vertical-align: inherit;\">Deoarece nivelul de amplificare ar putea fi destul de sc\u0103zut, ceea ce face dificil\u0103 fotografierea precis\u0103 chiar \u0219i la distan\u021be mai mici de 100 de metri. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">b. <\/span><span style=\"vertical-align: inherit;\">\u201eAm tras la distan\u021be de 100 de metri \u0219i mai departe\u201d. <\/span><span style=\"vertical-align: inherit;\">Este posibil s\u0103 utiliza\u021bi modele de lentile de 50 mm \u0219i 75 mm?&#8217; <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Singurul punct la care s\u0103 te g\u00e2nde\u0219ti cu un obiectiv mai mare este c\u00e2mpul vizual. <\/span><span style=\"vertical-align: inherit;\">\u00cen timp ce amplificarea este mai mare, FOV este mai mic, ceea ce face mai dificil\u0103 monitorizarea animalelor. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Un diametru mai mare al obiectivului, pe de alt\u0103 parte, vine cu o putere de amplificare mai mare, f\u0103c\u00e2nd fotografierea mult mai pl\u0103cut\u0103, \u00een special atunci c\u00e2nd fotografia\u021bi animale mici.<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Mai jos este o analiz\u0103 rapid\u0103 a imaginii realizate la 150 de metri cu un obiectiv de 35 mm \u0219i unul de 75 mm. <\/span><span style=\"vertical-align: inherit;\">Care dintre cele dou\u0103 v\u0103 face mai u\u0219or s\u0103 v\u0103 atinge\u021bi \u021binta?<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">3. Care rezolu\u021bie este mai bun\u0103: 384*288 sau 640*480? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">A. <\/span><span style=\"vertical-align: inherit;\">Dac\u0103 portofelul v\u0103 permite, toat\u0103 lumea v\u0103 va sf\u0103tui s\u0103 utiliza\u021bi un dispozitiv 640*480. <\/span><span style=\"vertical-align: inherit;\">Este \u00eentotdeauna mai bine s\u0103 alegi 640*480? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Un dispozitiv cu o rezolu\u021bie de 640*480 va \u00eembun\u0103t\u0103\u021bi calitatea imaginii, dar are un nivel de penetrare mai sc\u0103zut cu acela\u0219i tip de design de obiectiv. <\/span><span style=\"vertical-align: inherit;\">Multe lunete termice din industrie, de exemplu, ofer\u0103 o amplificare de 3,5x pentru modelul lor de 384*288, dar doar o amplificare de 2x c\u00e2nd rezolu\u021bia <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">termic\u0103 atinge 640*480. <\/span><span style=\"vertical-align: inherit;\">O compara\u021bie a unui model de 384*288 \u0219i 640*480 cu un obiectiv de 50 mm este prezentat\u0103 dedesubt, folosind o imagine a unui automobil la 150 de metri ca ilustra\u021bie. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">infiray este \u00een prezent singura companie din lume care a introdus o lunet\u0103 termic\u0103 cu o amplificare optic\u0103 de baz\u0103 mai mare dec\u00e2t cea de pe pia\u021b\u0103.<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Telescopul termic din seria DOT A (384*288 @12 microni) ofer\u0103 detalii excelente ale \u021bintei f\u0103r\u0103 a sacrifica claritatea imaginii. <\/span><span style=\"vertical-align: inherit;\">Clien\u021bii \u00eel descriu drept \u201evisul tr\u0103g\u0103torului cu raz\u0103 lung\u0103\u201d.<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-57642\" src=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/14-300x125.png\" alt=\"Ghidul suprem pentru alegerea unei lunete termice\" width=\"300\" height=\"125\" srcset=\"https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/14-300x125.png 300w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/14-1024x427.png 1024w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/14-768x320.png 768w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/14-800x333.png 800w, https:\/\/thermaldevices.eu\/wp-content\/uploads\/2022\/05\/14.png 1200w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">4. Pre\u021b <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Ur\u0103sc s\u0103 recunosc, dar este absolut necesar s\u0103 ridic\u0103m pre\u021bul spre final. <\/span><span style=\"vertical-align: inherit;\">\u00cenainte de a c\u0103uta lunete, este de obicei o idee bun\u0103 s\u0103 stabili\u021bi un buget \u0219i s\u0103 ob\u021bine\u021bi cel mai bun design care se \u00eencadreaz\u0103 \u00een bugetul respectiv. <\/span><span style=\"vertical-align: inherit;\">Exist\u0103 mai multe m\u0103rci noi de lunete termice pe pia\u021b\u0103 \u0219i exist\u0103 o gam\u0103 larg\u0103 de modele pentru v\u00e2n\u0103toare, aplicarea legii \u0219i uz militar. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">A. <\/span><span style=\"vertical-align: inherit;\">O lunet\u0103 termic\u0103 comun\u0103 accesibil\u0103 comercial Iray (versiunea non-LRF) cu 384*288 de baz\u0103 cost\u0103 \u00eentre 1500\u20ac \u0219i 4000\u20ac, \u00een timp ce lunetele de rezolu\u021bie 640*480 cost\u0103 \u00eentre 3000\u20ac \u0219i 6000\u20ac, \u00een func\u021bie de numele m\u0103rcii.<\/span><\/span><\/p>\n<p><span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">( iRay Rico RL42 LRF p\u0103tu\u021buri 3500 EUR ) <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">bb Dup\u0103 ce a\u021bi evaluat amplificarea \u0219i FOV, urm\u0103ri\u021bi s\u0103 ob\u021bine\u021bi cea mai mare lungime a obiectivului din bugetul dvs. pentru o experien\u021b\u0103 de fotografiere superioar\u0103. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">cc Ave\u021bi grij\u0103 s\u0103 alege\u021bi un model care dep\u0103\u0219e\u0219te bugetul dvs. (a\u0219a cum este descris mai sus) \u0219i ave\u021bi grij\u0103 la fel de a ob\u021bine unul la un pre\u021b foarte ieftin. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">5. Arunc\u0103 o privire personal\u0103 asupra unit\u0103\u021bii. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Dac\u0103 este posibil, inspecta\u021bi luneta termic\u0103 \u00een persoan\u0103, \u00een loc s\u0103 v\u0103 baza\u021bi pe aflarea specifica\u021biilor sale \u0219i studierea videoclipurilor online. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Nu vei \u0219ti c\u00e2t de minunat\u0103 este calitatea vizual\u0103 dec\u00e2t dac\u0103 o vezi singur. <\/span><span style=\"vertical-align: inherit;\">C\u00e2teva elemente de care va trebui s\u0103 inspecta\u021bi sau s\u0103 testa\u021bi o unitate sunt enumerate mai jos.<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">A. <\/span><span style=\"vertical-align: inherit;\">Cu urm\u0103toarele set\u0103ri, detaliile \u021bintei, marginea \u021bintei, zgomotul \u0219i detaliile de fundal, experimenta\u021bi \u0219i evalua\u021bi calitatea imaginii. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">Testa\u021bi performan\u021ba \u00eentr-o varietate de situa\u021bii climatice, inclusiv ziua \u0219i noaptea. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">La distan\u021be scurte, medii \u0219i lungi, \u00eencerca\u021bi s\u0103 vede\u021bi \u0219i s\u0103 localiza\u021bi diferite obiective. <\/span><span style=\"vertical-align: inherit;\">Dac\u0103 ave\u021bi capacitatea de a compara cu alte unit\u0103\u021bi, face\u021bi asta. <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">b. <\/span><span style=\"vertical-align: inherit;\">Experimenta\u021bi software-ul \u0219i meniurile pentru a ob\u021bine o senza\u021bie de experien\u021b\u0103 complet\u0103. <\/span><span style=\"vertical-align: inherit;\">Testa\u021bi pentru a vedea dac\u0103 dispozitivul porne\u0219te rapid, dac\u0103 este simplu de utilizat \u0219i are func\u021bii utile. <\/span><span style=\"vertical-align: inherit;\">C\u00e2nd deplasa\u021bi panoram\u0103, vede\u021bi dac\u0103 exist\u0103 vreo \u201e\u00eent\u00e2rziere\u201d.<\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">c. <\/span><span style=\"vertical-align: inherit;\">Ata\u0219a\u021bi-l la arm\u0103 \u0219i verifica\u021bi pentru o u\u0219urare confortabil\u0103 a ochilor. <\/span><span style=\"vertical-align: inherit;\">Acum \u00eencerca\u021bi s\u0103 reduce\u021bi domeniul de aplicare la zero. <\/span><span style=\"vertical-align: inherit;\">Examina\u021bi \u0219i evalua\u021bi \u00eentreaga experien\u021b\u0103 de zero: este simplu de utilizat, rapid \u0219i convenabil? <\/span><span style=\"vertical-align: inherit;\">Evalueaz\u0103 reticulele \u00eencorporate: exist\u0103 o reticul\u0103 care s\u0103 corespund\u0103 stilului t\u0103u de fotografiere? <\/span><span style=\"vertical-align: inherit;\">Este posibil s\u0103 scala\u021bi reticulele? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">d. <\/span><span style=\"vertical-align: inherit;\">Vezi c\u00e2t \u021bine bateria. <\/span><span style=\"vertical-align: inherit;\">Este suficient\u0103 sfera de aplicare pentru a v\u0103 purta prin \u00eentreaga c\u0103l\u0103torie? <\/span><span style=\"vertical-align: inherit;\">Ce procent din baterie s-a epuizat? <\/span><span style=\"vertical-align: inherit;\">Ave\u021bi nevoie de un al doilea pachet de alimentare pentru urm\u0103toarea c\u0103l\u0103torie de v\u00e2n\u0103toare? <\/span><\/span><br \/>\n<span style=\"vertical-align: inherit;\"><span style=\"vertical-align: inherit;\">e. <\/span><span style=\"vertical-align: inherit;\">In plus. <\/span><span style=\"vertical-align: inherit;\">Luneta este \u00eenso\u021bit\u0103 de accesorii de \u00eenalt\u0103 calitate? <\/span><span style=\"vertical-align: inherit;\">Un set de accesorii decent reflect\u0103 atitudinea produc\u0103torului. <\/span><span style=\"vertical-align: inherit;\">Chiar \u0219i calitatea manualului de utilizare \u0219i a cablurilor lor este important\u0103, deoarece dezv\u0103luie modul \u00een care compania le trateaz\u0103<\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ghidul suprem pentru alegerea unui dispozitiv termic Printre cele mai importante instrumente vizuale pentru v\u00e2n\u0103toarea pe timp de noapte este<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[359],"tags":[],"class_list":["post-63352","post","type-post","status-publish","format-standard","hentry","category-sfaturi-si-sfaturi"],"_links":{"self":[{"href":"https:\/\/thermaldevices.eu\/ro\/wp-json\/wp\/v2\/posts\/63352","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thermaldevices.eu\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thermaldevices.eu\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thermaldevices.eu\/ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/thermaldevices.eu\/ro\/wp-json\/wp\/v2\/comments?post=63352"}],"version-history":[{"count":0,"href":"https:\/\/thermaldevices.eu\/ro\/wp-json\/wp\/v2\/posts\/63352\/revisions"}],"wp:attachment":[{"href":"https:\/\/thermaldevices.eu\/ro\/wp-json\/wp\/v2\/media?parent=63352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thermaldevices.eu\/ro\/wp-json\/wp\/v2\/categories?post=63352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thermaldevices.eu\/ro\/wp-json\/wp\/v2\/tags?post=63352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}