Model #6650005469641

Optical instrument lens (NSN 6650-00-546-9641)

Description

Glass optical material.

Diameter
1.400 inches
Axial Thickness
0.142 inches and 0.236 inches
Compound Lensaxial Thickness
0.378 inches
Compound Lens Edge Thickness
0.333 inches
Equivalent Focal Length
13.189 inches
Back Focal Length
13.192 inches
Front Focal Length
12.814 inches
Refraction Index
1.5230
Abbe Constant
1.605
Compound Lens Style
Doublet
Individual Lens Style
Meniscus diverging and double convex
Element Left Surface Radius
6.164 inches
Element Right Surface Radius
2.572 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
Range finder, integrated with fire control equip
Description
Lens,optical Instrument
Cage Code
A00AM

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Updated: 05/03/2024