Features
Glass optical material.
Includes quality control certificate of conformance.
Specifications
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Diameter:
20.8 millimeters
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Axial Thickness:
4.1 millimeters
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Equivalent Focal Length:
3.048 centimeters
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Back Focal Length:
2.787 centimeters
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Front Focal Length:
3.048 centimeters
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Refraction Index:
1.5726
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Abbe Constant:
37.400
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Single Lens Style:
Plano-convex
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Element Left Surface Radius:
0.0 millimeters
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Element Right Surface Radius:
17.5 millimeters
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Material:
Glass, optical
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-00-382-0652