Pentax-Cosmicar TV-Zoom Lens 10.5-105mm 1:1.4 C10ZAME-5 C-Mount meteor astronomy motorized lens (C31003 #041235)

• Description: This lens is a high end CCTV superzoom long range super fast lens specially designed for high end surveillance in military posts and great to use in astronomy and low light conditions. It allows for 2/3" modern sensor sizes. You appply 12v (or less) at red/green cables to move ZOOM (reverse polarity to go the other way), and the same for FOCUS on white/blue cables. Iris is "Video iris" type and it works flawlessly. If you want to use this camera with a sensitive C mount camera, you can do it as this is C mount lens (not CS). 1420gr weight. Iris needs to be connected to autoiris to be opened (as far as I know), so for astronomy cameras without autoiris connector it is recommended to take iris out. I can do this for free if you tell me before shipping. 
• Issues: some marks of usage. Some very located cleaning marks in front lens, but almost non-existant. 
• Technical information for astronomy/meteor work: this lens is designed for 2/3" and smaller sensors. Front filter size is M72x0.75 (if you want to put a lens hood or pre-filters, for instance) and it operates within temperature range -10º to +50º C.