Indorerwamo za Varifocal ni ubwoko bwa lenzi zikunze gukoreshwa muri kamera za televiziyo zifunganye (CCTV). Bitandukanye n'indorerwamo za focal length, zifite uburebure bwa focal budashobora guhindurwa, indorerwamo za varifocal zitanga uburebure bwa focal bushobora guhindurwa mu rugero runaka.
Akamaro k'ibanze k'ama-lenses ya varifocal ni uko ahindura urwego rw'amashusho ya kamera (FOV) n'urwego rwa zoom. Mu guhindura uburebure bw'amashusho, lense igufasha guhindura inguni y'amashusho no kongeramo cyangwa gusohora uko bikenewe.
Iyi mikorere ni ingirakamaro cyane cyane mu bikorwa byo kugenzura aho kamera ishobora gukenera kugenzura ahantu hatandukanye cyangwa ibintu ku ntera zitandukanye.
Indorerwamo za Varifocalbikunze gusobanurwa hakoreshejwe imibare ibiri, nka 2.8-12mm cyangwa 5-50mm. Umubare wa mbere ugaragaza uburebure bugufi bw'ikirahure cya lens, bigatanga umwanya munini wo kureba, mu gihe umubare wa kabiri ugaragaza uburebure burebure bwo kureba, bigatuma umwanya muto wo kureba ufite zoom nyinshi.
Ukoresheje uburyo bwo guhindura uburebure bw'ifoto muri ubu buryo, ushobora guhindura uko kamera ireba kugira ngo ihuze n'ibisabwa mu kugenzura.
Uburebure bw'ibanze bwa lensi ya varifocal
Ni ngombwa kumenya ko guhindura uburebure bw'icyerekezo kuri lenzi ya varifocal bisaba gukora ku manywa, haba uhindukiza impeta kuri lenzi cyangwa ukoresheje uburyo bwa moteri bugenzurwa kure. Ibi bituma habaho impinduka aho hantu kugira ngo bihuze n'impinduka mu igenzura.
Itandukaniro rikomeye riri hagati y’indorerwamo za varifocal na fixed lenses muri kamera za CCTV ni ubushobozi bwazo bwo guhindura uburebure bw’inyuma n’aho zireba.
Uburebure bw'ifatizo:
Indorerwamo zihamye zifite uburebure bwihariye kandi budashobora guhindurwa. Ibi bivuze ko iyo zishyizweho, aho kamera ireba n'urwego rwa zoom bigumaho. Ku rundi ruhande, indorerwamo za varifocal zitanga uburebure butandukanye bwa focal bushobora guhindurwa, bigatuma habaho ubworoherane mu guhindura aho kamera ireba n'urwego rwa zoom uko bikenewe.
Aho bareba:
Iyo ukoresheje lens idahinduka, urwego rw'ishusho rugenwa mbere kandi ntirushobora guhindurwa hatabayeho gusimbuza lens.Indorerwamo za VarifocalKu rundi ruhande, bitanga ubushobozi bwo guhindura lens n'intoki kugira ngo igere ku rwego rwagutse cyangwa rugufi rw'aho igaragara, bitewe n'ibisabwa mu kugenzura.
Urwego rwo kongerera ubushobozi:
Lenses zidahinduka ntabwo zigira imiterere yo gukurura amashusho, kuko uburebure bwazo buhora buhindagurika. Ariko, lenses za Varifocal zemerera gukurura amashusho binyuze mu guhindura uburebure bwazo mu rugero rwagenwe. Iyi myitwarire ni ingirakamaro iyo ukeneye kwibanda ku bintu runaka cyangwa ibintu biri ku ntera zitandukanye.
Guhitamo hagati y’amabara atandukanye n’ay’indorerwamo zihamye biterwa n’ibikenewe mu kugenzura byihariye. Amabara atandukanye arakwiriye iyo urwego rw’amabara ruhoraho n’urwego rwo kohereza amashusho bihagije, kandi nta mpamvu yo guhindura uko kamera ireba.
Indorerwamo za Varifocalzirushaho gukoreshwa kandi zikaba ingirakamaro iyo hakenewe ubushobozi bwo guhindura imiterere y'ishusho n'uburyo bwo kohereza amashusho, bigatuma habaho uburyo butandukanye bwo kuyagenzura.
Igihe cyo kohereza: Kanama-09-2023
