Model	COBR5016B
Focal length (mm)	50
Aperture	F16
Working Distance（mm）	400～∞
Sensor ∅(mm)	11(2/3")
Resolution (μm)	2.5
TV Distortion	＜0.07% at WD 500
Back Focal Length (mm)	20.56 at WD 400|13.67 at ∞
Magnification	0.136X at WD 400
Chief Ray Angle	＜5°
Filter Thread (mm)	M25×0.5-6g
Weight (kg)	0.07