Model #8574718

Optical instrument lens (NSN 6650-00-683-9549)

Description

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

Diameter
2.165 inches
Axial Thickness
0.394 inches and 0.157 inches
Compound Lensaxial Thickness
0.551 inches
Compound Lens Edge Thickness
0.473 inches
Equivalent Focal Length
8.133 inches
Back Focal Length
7.808 inches
Refraction Index
1.5170 and 1.6725
Abbe Constant
63.500 and 32.200
Compound Lens Style
Doublet
Individual Lens Style
Double convex and plano-concave
Element Left Surface Radius
4.213 inches
Element Right Surface Radius
4.213 inches
Material
Glass, optical, mil-g-174, class 1, grade b
Description
Lens,optical Instrument
Cage Code
19200

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Updated: 06/26/2024