VIS-SWIR (400-1700 nm) lens for 2/3″ sensors, focal length 50 mm, f/N 1.8 - closed, C-mount

Calculated at minimum object distance. Working distance: distance between the front end of the mechanics and the object. Percent deviation of the real image compared to an ideal, undistorted image. Measured from the front end of the mechanics to the camera flange at infinite focusing.

Main optical specifications
Focal length	(mm)	50
Image circle diameter	(mm)	11.0
Max sensor size		2/3″

Angle of view
1/2" - IMX990	(deg)	9.8
2/3"	(deg)	13.1

Advanced optical specifications
Working distance range (2)	(m)	0.5 - inf
Wavelength range	(nm)	400-1700
ƒ/N		1.8 - closed
Back focal length	(mm)	13.6
Distortion on 1/2" (3)	(%)	0.20
Distortion on 2/3" (3)	(%)	0.3

Mechanical specifications
Iris control		Manual
Focus control		Manual
Mount		C
Filter thread		M30.5 x 0.5
Outer diameter	(mm)	33.5
Length (4)	(mm)	38.2
Mass	(g)	85