Model #5049913

Optical instrument lens (NSN 6650-00-504-9913)

Description

grade b class 1 mil-g-174 optical glass material.

Diameter
0.719 inches
Axial Thickness
0.130 inches and 0.064 inches
Compound Lensaxial Thickness
0.194 inches
Compound Lens Edge Thickness
0.171 inches
Equivalent Focal Length
4.004 inches
Back Focal Length
3.911 inches
Refraction Index
1.5170 and 1.6490
Abbe Constant
64.500 and 33.800
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
2.446 inches
Element Right Surface Radius
1.664 inches
Material
Glass, optical, mil-g-174, class 1, grade b
Fsc Application Data
Panoramic telescope, integrated with fire control equipment
Description
Lens,optical Instrument
Cage Code
19200

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Updated: 11/21/2024