Model #7632697

Optical instrument lens (NSN 6650-00-763-2697)

Description

grade b class 1 mil-g-174 optical glass material.

Diameter
1.700 inches
Axial Thickness
0.160 inches and 0.230 inches
Compound Lensaxial Thickness
0.390 inches
Compound Lens Edge Thickness
0.344 inches
Equivalent Focal Length
13.807 inches
Back Focal Length
14.180 inches
Front Focal Length
13.790 inches
Refraction Index
1.6170 and 1.5230
Abbe Constant
36.600 and 58.600
Compound Lens Style
Doublet
Individual Lens Style
Meniscus diverging and double convex
Element Left Surface Radius
7.237 inches and 3.188 inches
Element Right Surface Radius
3.188 inches and -31.336 inches
Material
Glass, optical, mil-g-174, class 1, grade b
Fsc Application Data
Range finder, integrated with fire control equip
Description
Lens,optical Instrument
Cage Code
19200

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Updated: 11/21/2024