Indwara ya Varifocal ni ubwoko bwa lens bukunze gukoreshwa muri kamera zifunga televiziyo (CCTV). Bitandukanye nuburebure bwerekanwe bwerekanwe, bufite uburebure bwateganijwe bwateganijwe budashobora guhinduka, lens varifocal itanga uburebure bushobora guhinduka murwego runaka.
Inyungu yibanze ya varifocal lens nuburyo bworoshye muburyo bwo guhindura kamera ya kamera yo kureba (FOV) nurwego rwa zoom. Muguhindura uburebure bwibanze, lens igufasha guhindura inguni yo kureba no gukuza cyangwa hanze nkuko bikenewe.
Iyi mikorere ni ingirakamaro cyane mubikorwa byo kugenzura aho kamera ishobora gukenera gukurikirana ahantu hatandukanye cyangwa ibintu bitandukanye.
Inzira zitandukanyebakunze gusobanurwa ukoresheje imibare ibiri, nka 2.8-12mm cyangwa 5-50mm. Umubare wambere ugereranya lens ngufi ndende yibanze, itanga umurongo mugari wo kureba, mugihe umubare wa kabiri ugereranya uburebure burebure bwerekanwe, butuma umurima muto wo kureba hamwe na zoom nyinshi.
Muguhindura uburebure bwibanze muri uru rwego, urashobora guhitamo icyerekezo cya kamera kugirango uhuze ibisabwa byihariye byo kugenzura.
Uburebure bwibanze bwa varifocal lens
Birakwiye ko tumenya ko guhindura uburebure bwibanze kumurongo wa varifocal bisaba ubufasha bwintoki, haba muguhindura impeta kumurongo cyangwa gukoresha uburyo bwa moteri bugenzurwa kure. Ibi bituma habaho guhinduka kurubuga kugirango uhuze ibikenewe byo kugenzura.
Itandukaniro nyamukuru hagati ya varifocal na linzira ihamye muri kamera ya CCTV iri mubushobozi bwabo bwo guhindura uburebure bwumurima hamwe numwanya wo kureba.
Uburebure:
Lens zihamye zifite uburebure bwihariye, budahinduka. Ibi bivuze ko iyo bimaze gushyirwaho, kamera ya kamera yo kureba nurwego rwa zoom igumaho. Kurundi ruhande, lensifike ya varifocal itanga urutonde rwuburebure bushobora guhinduka, bigatuma habaho guhinduka muguhindura kamera yo kureba no kugereranya urwego nkuko bikenewe.
Umwanya wo kureba:
Hamwe na lens ihamye, umurima wo kureba wateganijwe mbere kandi ntushobora guhinduka utabanje gusimbuza lens.Inzira zitandukanye, kurundi ruhande, tanga uburyo bworoshye bwo guhindura intoki kugirango ugere kumurongo mugari cyangwa muremure, ukurikije ibisabwa byo kugenzura.
Urwego rwo Kuzamura:
Lens zihamye ntizifite zoom zo kuranga, nkuko uburebure bwazo buguma buhoraho. Indwara ya Varifocal, ariko, yemerera gukuza cyangwa gusohoka muguhindura uburebure bwibanze murwego rwagenwe. Iyi mikorere ni ingirakamaro mugihe ukeneye kwibanda kubintu byihariye cyangwa ibintu bitandukanye.
Guhitamo hagati ya varifocal na lens bihamye biterwa nibisabwa byihariye byo kugenzura porogaramu. Lens zihamye zirakwiriye mugihe umurima uhoraho wo kureba no kurwego rwa zoom birahagije, kandi nta gisabwa kugirango uhindure kamera.
Inzira zitandukanyeni byinshi kandi bifite akamaro mugihe guhinduka muburyo bwo kureba no gukinisha byifuzwa, bikemerera guhuza n'imihindagurikire y'ikirere.
Igihe cyo kohereza: Kanama-09-2023