Model #LD172589GP36

Optical instrument lens (NSN 6650-00-382-1824)

Description

Glass optical material.

Diameter
1.260 inches
Axial Thickness
0.374 inches and 0.197 inches
Compound Lensaxial Thickness
0.571 inches
Compound Lens Edge Thickness
0.519 inches
Equivalent Focal Length
7.493 inches
Back Focal Length
7.199 inches
Front Focal Length
7.426 inches
Refraction Index
1.5740 and 1.6210
Abbe Constant
57.700 and 36.600
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
-2.559 inches and 4.979 inches
Element Right Surface Radius
-2.559 inches and 16.693 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
Fire control, telescope, mk63
Description
Lens,optical Instrument
Cage Code
53711

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Updated: 05/08/2024