Model #8626475

Optical instrument lens (NSN 6650-00-964-9278)

Description

Glass optical material.

Diameter
1.610 inches
Axial Thickness
0.575 inches and 0.097 inches
Compound Lensaxial Thickness
0.672 inches
Compound Lens Edge Thickness
0.313 inches
Equivalent Focal Length
4.174 inches
Back Focal Length
3.509 inches
Front Focal Length
2.837 inches
Refraction Index
1.6200 and 1.7200
Abbe Constant
60.300 and 29.300
Compound Lens Style
Doublet
Individual Lens Style
Double convex and double concave
Element Left Surface Radius
-1.794 inches and 1.575 inches
Element Right Surface Radius
-1.794 inches and 5.708 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
Telescope integrated with fire control equip
Description
Lens,optical Instrument
Cage Code
19200

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Updated: 05/22/2024