Pentax / Cosmicar 
Pentax C37500KP 75mm F2.8-32 C-Mount Lens, W/Locking Screw C37500KP

PENTAX is a pioneer of the CCTV Lens industry providing high quality and performance. The PENTAX CCTV Lens product range fulfills the diverse demands from everyday life and industry, 2/3-inch format and 75.0mm focal length.
Pentax C37500KP 75mm F2.8-32 C-Mount Lens, W/Locking Screw