Model #8566943

Optical instrument lens (NSN 6650-00-789-4016)

Description

type 517-645 grade b mil-g-174 optical glass material.

Diameter
Between 2.299 inches and 2.302 inches
Axial Thickness
Between 0.366 inches and 0.382 inches
Equivalent Focal Length
12.754 inches
Back Focal Length
12.444 inches
Refraction Index
1.5170
Abbe Constant
64.500
Single Lens Style
Meniscus diverging
Element Left Surface Radius
5.239 inches
Element Right Surface Radius
24.877 inches
Material
Glass, optical, mil-g-174, grade b, type 517-645
Description
Lens,optical Instrument
Cage Code
19200

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Updated: 05/19/2024