Televiziyo ifunganye (CCTV), izwi kandi nka videwo yo kugenzura, ikoreshwa mu kohereza ibimenyetso bya videwo ku bareba kure. Nta tandukaniro ridasanzwe riri hagati y'imikorere ya lenzi ya kamera idahinduka na lenzi ya kamera ya CCTV. Lenzi za kamera za CCTV zishobora kuba zidahinduka cyangwa zishobora guhindurwa, bitewe n'ibisabwa, nk'uburebure bw'icyerekezo, umwanya, inguni yo kureba, kuyishyiramo cyangwa ibindi bintu nk'ibyo. Ugereranyije na lenzi ya kamera isanzwe ishobora kugenzura ubwiyongere bw'isura binyuze mu muvuduko wa shutter no gufungura iris, lenzi ya CCTV ifite igihe gihoraho cyo kuyireba, kandi ingano y'urumuri runyura mu gikoresho cyo gufata amashusho ihindurwa gusa binyuze mu gufungura iris. Ibintu bibiri by'ingenzi ugomba kuzirikana mu guhitamo lenzi ni uburebure bw'icyerekezo bwagenwe n'umukoresha n'ubwoko bwo kugenzura iris. Uburyo butandukanye bwo kuyishyiraho bukoreshwa mu gushyiraho lenzi kugira ngo ikomeze kuba nziza mu ireme rya videwo.
Kamera za CCTV nyinshi zikoreshwa mu rwego rw'umutekano no kugenzura, ibyo bikaba bigira ingaruka nziza ku iterambere ry'isoko rya lens za CCTV. Mu myaka mike ishize, habaye ukwiyongera gukabije mu gihe gishize kw'abashaka kamera za CCTV kuko inzego zishinzwe kugenzura zashyizeho amategeko agenga ishyirwaho rya kamera za CCTV mu maduka, inganda n'izindi nganda zihagaze kugira ngo zikomeze kugenzura amasaha yose no kwirinda ibikorwa bitemewe n'amategeko. Bitewe n'ubwiyongere bw'impungenge z'umutekano ku bijyanye no gushyiraho kamera za televiziyo zifunganye mu bigo by'ingo, ishyirwaho rya kamera za televiziyo zifunganye naryo ryariyongereye cyane. Ariko, iterambere ry'isoko rya lens za CCTV rigengwa n'imbogamizi zitandukanye, harimo no kugabanya aho umuntu areba. Ntibishoboka kumenya uburebure bw'aho umuntu areba n'aho agaragara nk'uko kamera zisanzwe zibikora. Gukoresha kamera za CCTV byakoreshejwe cyane muri Leta Zunze Ubumwe za Amerika, Ubwongereza, Ubushinwa, Ubuyapani, Aziya y'Epfo n'ahandi hakomeye, ibyo bikaba byarazanye imiterere y'iterambere ry'amahirwe ku isoko rya lens za CCTV.
