Features
Glass optical material.
Includes quality control certificate of conformance.
Specifications
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Diameter:
1.260 inches
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Axial Thickness:
0.120 inches
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Equivalent Focal Length:
21.622 inches
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Back Focal Length:
21.549 inches
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Refraction Index:
1.6170
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Abbe Constant:
36.600
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Single Lens Style:
Plano-convex
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Individual Lens Style:
Plano-convex
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Element Left Surface Radius:
13.341 inches
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Element Right Surface Radius:
0.000 inches
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Material:
Glass, optical, mil-g-174, class 1, grade c
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Material Specification:
Mil-g-174, class 1, grade c military specification single material response
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Fsc Application Data:
Finder, range, integrated with fire control equipment
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-00-763-1283