Model #203034

Optical instrument lens (NSN 6650-00-157-4140)

Description

jan-g-174 optical glass material.

Diameter
27.0 millimeters
End Application
Rangefinder mk42
Axial Thickness
8.5 millimeters and 2.0 millimeters
Compound Lensaxial Thickness
10.5 millimeters
Equivalent Focal Length
4.715 centimeters
Back Focal Length
4.033 centimeters
Refraction Index
1.6490 and 1.5725
Abbe Constant
33.800 and 57.400
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
25.6 millimeters and -23.9 millimeters
Element Right Surface Radius
23.9 millimeters and 345.5 millimeters
Material
Glass, optical, jan-g-174
Description
Lens,optical Instrument
Cage Code
10001

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Updated: 11/23/2024