Features
grade c jan-g-174 optical glass material.
Includes quality control certificate of conformance.
Specifications
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Diameter:
1.378 inches
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Axial Thickness:
0.354 inches
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Equivalent Focal Length:
2.244 inches
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Back Focal Length:
2.244 inches
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Front Focal Length:
2.018 inches
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Refraction Index:
1.5790
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Abbe Constant:
41.000
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Single Lens Style:
Plano-convex
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Material:
Glass, optical, jan-g-174, grade c
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Fsc Application Data:
1. Fire control, range finder, mk 37, mod 5
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-00-026-8136