Mu mafakitale a 3C, kuphatikizapo makompyuta, mauthenga, ndi zamagetsi, ubwino wa zinthu ndi magwiridwe antchito a opanga ndi zinthu zofunika kwambiri. Mu njira yopangira molondola yamakampani awa, magalasi a mafakitale, ndi magwiridwe antchito awo aukadaulo, akhala chinthu chofunikira kwambiri...
Monga gawo lofunika kwambiri la machitidwe owunikira chitetezo, magwiridwe antchito a ma lens a CCTV amakhudza mwachindunji zotsatira za kuwunika, ndipo magwiridwe antchito awo amakhudzidwa kwambiri ndi magawo ofunikira. Chifukwa chake, kumvetsetsa magawo a ma lens a CCTV ndikofunikira. 1. Kusanthula magawo ofunikira a ma lens a CCTV...
Magalasi afupiafupi nthawi zambiri amatanthauza magalasi okhala ndi kutalika kwa 35mm kapena kuchepera. Ali ndi ngodya yayikulu yowonera komanso kuya kwakukulu kwa malo, zomwe zimathandiza kuti lenzi imodzi ijambule zinthu zambiri ndi zochitika. Ndi abwino kwambiri kujambula malo amsewu ndipo ali ndi ntchito zosiyanasiyana...