Model #G8111PC12

Optical instrument lens (NSN 6650-00-157-4145)

Description

Glass optical material.

Diameter
22.0 millimeters
End Application
Rangefinder mk42
Axial Thickness
4.0 millimeters and 2.0 millimeters
Compound Lensaxial Thickness
6.0 millimeters
Compound Lens Edge Thickness
6.0 millimeters
Equivalent Focal Length
19.532 centimeters
Back Focal Length
19.330 centimeters
Front Focal Length
19.327 centimeters
Refraction Index
1.6170 and 1.5185
Abbe Constant
36.600 and 59.500
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
168.1 millimeters and -48.9 millimeters
Element Right Surface Radius
48.9 millimeters and 151.6 millimeters
Material
Glass, optical
Description
Lens,optical Instrument
Cage Code
74067

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Updated: 05/07/2024