Pentax C61215KP Monofocal Manual Iris, ? Format-

The Pentax C61215KP is a monofocal, manual iris, C-mount lens designed for 1/2-inch CCD industrial cameras.This lens has a fast f/1.2 aperture for excellent low-light images. The 12mm focal length lens covers more than 30°.  Lockable focus & iris rings prevent movement during vibration and shock.
Features:

• Format Size: 1/2
• Focal Length: 12.0mm
• Max. Aperture Ratio: ~22
• Mount: C
• Horizontal Angle Of View 1/4": 16.93deg
• Horizontal Angle Of View 1/3": 22.60deg
• Horizontal Angle Of View 1/2": 30.18deg
• Min.Object Distance: 0.2m
• Back Focal Length: 13.87mm
• Filter Size: 27.0mm P=0.5mm
• Dimensions: 30×35.5mm
• Weight: 67g
• Lock Screw