Model #5184994

Optical instrument lens (NSN 6650-00-518-4994)

Description

grade c jan-g-174 optical glass material.

Diameter
1.467 inches
Axial Thickness
0.060 inches and 0.539 inches
Compound Lensaxial Thickness
0.599 inches
Compound Lens Edge Thickness
0.481 inches
Equivalent Focal Length
7.522 inches
Back Focal Length
8.315 inches
Refraction Index
1.6170 and 1.5170
Abbe Constant
36.600 and 64.500
Compound Lens Style
Doublet
Individual Lens Style
Double concave and double convex
Element Left Surface Radius
-3.027 inches and 1.398 inches
Element Right Surface Radius
1.398 inches and 1.398 inches
Material
Glass, optical, jan-g-174, grade c
Fsc Application Data
Observation instrument m1
Description
Lens,optical Instrument
Cage Code
19207

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Updated: 05/07/2024