Model #LD172589GP105REVD

Optical instrument lens (NSN 6650-00-382-1881)

Description

Glass optical material.

Diameter
1.535 inches
Axial Thickness
0.472 inches and 0.118 inches
Compound Lensaxial Thickness
0.591 inches
Compound Lens Edge Thickness
0.331 inches
Equivalent Focal Length
3.111 inches
Back Focal Length
2.700 inches
Front Focal Length
3.156 inches
Refraction Index
1.5725 and 1.6439
Abbe Constant
57.500 and 33.800
Compound Lens Style
Doublet
Individual Lens Style
Double convex and plano-concave
Element Left Surface Radius
-1.614 inches and 1.575 inches
Element Right Surface Radius
-1.614 inches
Material
Glass, optical, mil-g-174, class 1, grade c
Material Specification
Mil-g-174, class 1, grade c military specification single material response
Fsc Application Data
1. Optical sighting and ranging equipment
Description
Lens,optical Instrument
Cage Code
10001

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Updated: 12/04/2024