Pentax Varifocal Lenses 
Pentax C70509DCPS 5-50mm F1.8-360 Auto-iris Varifocal Lens C70509DCPS

C70509DCPS is also known as TS10V518E

5-50mm F1.8-360 Auto-iris (DC) w/4pin CS

The lens features a versatile focal length range of 5-50mm and a wide iris adjustment rage of F1.8 to 360. The lens is ideal for applications where required angles of view vary widely location by location such as banks and gas (petrol) stations needless to say about general outdoor surveillance.

The TS10V518E is available as DC iris version and is equipped with 4-pin connector and 250mm length cable