Model #8289292

Optical instrument lens (NSN 6650-00-622-4989)

Description

form plates grade c class 1 mil-g-174 optical glass material.

Diameter
Between 1.447 inches and 1.450 inches
Axial Thickness
0.300 inches and 0.120 inches
Compound Lensaxial Thickness
0.420 inches
Compound Lens Edge Thickness
0.301 inches
Equivalent Focal Length
6.020 inches
Back Focal Length
5.932 inches
Front Focal Length
5.512 inches
Refraction Index
1.5690 and 1.6890
Abbe Constant
51.600 and 30.900
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus converging
Element Left Surface Radius
-1.860 inches and 6.825 inches
Element Right Surface Radius
-1.860 inches and 3.911 inches
Description
Lens,optical Instrument
Cage Code
19200

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Updated: 05/28/2024