Model	COBR3516B
Focal length (mm)	35
Aperture	F16
Working Distance（mm）	210～∞
Sensor ∅(mm)	11(2/3")
Resolution (μm)	2.5
TV Distortion	＜0.20% at WD 350
Back Focal Length (mm)	18.39 at WD 210|12.87 at ∞
Magnification	0.161X at WD 210
Chief Ray Angle	＜5°
Filter Thread (mm)	M25×0.5-6g
Weight (kg)	0.06