Model	OPT-COB5028B
Focal Length(mm)	50
Back Focal Length(mm)	20.56 at WD400 | 13.67 at ∞
Working Distance(mm)	400~∞
Aperture(F/#)	F2.8~F22
Magnification（X）	0.136X at WD400
Coaxial	No
Image Circle Ø(mm)	11（2/3″）
Sensor Format	2/3"
TV Distortion(%)	＜0.07% at WD500
Flange Focal Distance(mm)	17.526
Mount	C
Weight(kg)	0.06
Filter Thread	M27×0.5-6H
Image Resolution(μm)	2.2