Model #8615945

Optical instrument lens (NSN 6650-00-851-3919)

Description

Glass optical material.

Diameter
1.142 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
5.302 inches
Back Focal Length
5.129 inches
Refraction Index
1.6210 and 1.5410
Abbe Constant
36.200 and 59.900
Compound Lens Style
Doublet
Individual Lens Style
Meniscus diverging and double convex
Element Left Surface Radius
3.555 inches
Element Right Surface Radius
1.325 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: 05/07/2024