Features
type 523-586 grade c mil-g-174 optical glass material.
Includes quality control certificate of conformance.
Specifications
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Diameter:
Between 3.494 inches and 3.497 inches
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Axial Thickness:
Between 0.785 inches and 0.805 inches
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Equivalent Focal Length:
5.289 inches
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Back Focal Length:
5.021 inches
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Single Lens Style:
Double convex
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Material:
Glass, optical, mil-g-174, grade c, type 523-586
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-01-041-4589