Features
type 613-586 grade b mil-g-174 optical glass material.
Includes quality control certificate of conformance.
Specifications
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Diameter:
1.732 inches
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Axial Thickness:
0.437 inches
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Equivalent Focal Length:
3.304 inches
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Back Focal Length:
3.074 inches
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Front Focal Length:
3.185 inches
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Refraction Index:
1.6130
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Abbe Constant:
5058.600
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Single Lens Style:
Double convex
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Individual Lens Style:
Double convex
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Material:
Glass, optical, mil-g-174, grade b, type 613-586
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-00-450-1749