Model #7660502

Optical instrument lens (NSN 6650-00-851-7615)

Description

Glass optical material.

Diameter
1.060 inches
End Application
Telescope, panoramic, m117
Axial Thickness
0.310 inches and 0.110 inches
Compound Lensaxial Thickness
0.420 inches
Compound Lens Edge Thickness
0.343 inches
Equivalent Focal Length
4.004 inches
Back Focal Length
3.892 inches
Front Focal Length
3.472 inches
Refraction Index
1.5170 and 1.6210
Abbe Constant
64.500 and 36.500
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
4.145 inches
Element Right Surface Radius
1.153 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, panoramic, t177, integrated with fire control equipment
Description
Lens,optical Instrument
Cage Code
19200

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Updated: 04/25/2024