Features
Glass material.
Includes quality control certificate of conformance.
Specifications
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Diameter:
84.6 millimeters
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Axial Thickness:
4.7 millimeters
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Refraction Index:
1.6206
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Abbe Constant:
84.600
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Single Lens Style:
Double concave
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Element Left Surface Radius:
120.0 millimeters
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Element Right Surface Radius:
280.0 millimeters
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Material:
Glass
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-00-399-8980