Model #176445PC10

Optical instrument lens (NSN 6650-00-131-0660)

Description

jan-g-174 optical glass material.

Diameter
83.0 millimeters
End Application
Rangefinder mk45
Axial Thickness
9.0 millimeters and 20.0 millimeters
Compound Lensaxial Thickness
41.0 millimeters
Compound Lens Edge Thickness
Between 5.0 millimeters and 6.0 millimeters
Equivalent Focal Length
76.230 centimeters
Back Focal Length
71.680 centimeters
Refraction Index
1.6170 and 1.5170
Abbe Constant
36.600 and 64.500
Compound Lens Style
Dialyte
Individual Lens Style
Meniscus diverging and double convex
Element Left Surface Radius
1251.5 millimeters and 261.9 millimeters
Element Right Surface Radius
-247.2 millimeters and 408.4 millimeters
Material
Glass, optical, jan-g-174
Description
Lens,optical Instrument
Cage Code
10001

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Updated: 05/04/2024