Zoom Lense

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.