Model #7591260

Optical instrument lens (NSN 6650-00-546-9582)

Description

Glass optical material.

Diameter
2.520 inches
Axial Thickness
0.551 inches and 0.160 inches
Compound Lensaxial Thickness
0.711 inches
Compound Lens Edge Thickness
0.458 inches
Equivalent Focal Length
7.839 inches
Back Focal Length
7.292 inches
Front Focal Length
6.581 inches
Refraction Index
1.5110 and 1.6210
Abbe Constant
63.500 and 36.200
Compound Lens Style
Doublet
Individual Lens Style
Double convex and plano-concave
Element Left Surface Radius
-3.555 inches and 3.260 inches
Element Right Surface Radius
-3.555 inches and 3.260 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
Sight, reflex m18, integrated with fire control equip
Description
Lens,optical Instrument
Cage Code
19200

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Updated: 11/21/2024