Lens ya varifocal CCTV ni ubwoko bwa kamera yerekana kamera ihindura uburebure bwa fonctionnement.Ibi bivuze ko lens ishobora guhindurwa kugirango itange impande zinyuranye zo kureba, bikwemerera gukinisha cyangwa gusohoka ku ngingo.
Lens ya Varifocal ikoreshwa kenshi muri kamera zumutekano kuko zitanga ibintu byoroshye muburyo bwo kureba.Kurugero, niba ukeneye gukurikirana ahantu hanini, urashobora gushiraho lens kumurongo mugari kugirango ufate byinshi mubyabaye.Ubundi, niba ukeneye kwibanda kumwanya runaka cyangwa ikintu runaka, urashobora gukinira kugirango ubone hafi.
Ugereranije ninzira zifatika, zifite uburebure bumwe, buhagaze neza, uburebure bwa varifocal butanga byinshi muburyo bwo gushyira kamera no gukwirakwiza.Nyamara, mubisanzwe birahenze kuruta linzira zifatika, kandi bisaba guhinduka no guhinduranya kugirango tumenye neza imikorere.
Ugereranije na aparfocal.Ibyinshi byitwa "zoom" lens, cyane cyane mubyerekeranye na kamera zifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma bifata ibyuma byinjira mu buntu byitwa kuruta parfocal zoom.