Model #1049118

Optical instrument lens (NSN 6650-00-210-4386)

Description

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

Diameter
Between 2.282 inches and 2.283 inches
Axial Thickness
0.394 inches and 0.217 inches
Compound Lensaxial Thickness
0.610 inches
Compound Lens Edge Thickness
0.599 inches
Equivalent Focal Length
11.973 inches
Back Focal Length
11.592 inches
Front Focal Length
11.970 inches
Refraction Index
1.5225 and 1.6170
Abbe Constant
57.400 and 36.600
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
-4.016 inches and 6.604 inches
Element Right Surface Radius
-4.016 inches and 77.835 inches
Material
Glass, optical, mil-g-174, class 1, grade b
Fsc Application Data
Optical sighting ranging equipment
Description
Lens,optical Instrument
Cage Code
51128

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Updated: 05/06/2024