Model #8615943

Optical instrument lens (NSN 6650-00-851-3918)

Description

Glass optical material.

Diameter
1.496 inches
Axial Thickness
0.150 inches and 0.220 inches
Compound Lensaxial Thickness
0.370 inches
Compound Lens Edge Thickness
0.312 inches
Equivalent Focal Length
8.712 inches
Back Focal Length
8.851 inches
Refraction Index
1.6210 and 1.5230
Abbe Constant
36.200 and 58.600
Compound Lens Style
Doublet
Individual Lens Style
Meniscus diverging and double convex
Element Left Surface Radius
6.831 inches
Element Right Surface Radius
2.160 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, elbow, integrated with fire control equipment
Description
Lens,optical Instrument
Cage Code
19200

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Updated: 11/24/2024