zoom lens works on 5V, yellow = +V orange = gnd Computar 4.5-10mm 1:1.6 1/2" C S Made In Japan this is all the info I have for this zoom lens. Zoom is manual apparently, with a normally closed shutter. There are 4 wires, Im using 2, so there may be some other unknown functionality, I have been unable to locate the datasheet.