Features
Glass optical material.
Crossline.
Includes quality control certificate of conformance.
Specifications
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Diameter:
83.0 millimeters
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Angle In Deg:
45.0
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Axial Thickness:
12.0 millimeters
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Refraction Index:
1.5170
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Dispersion:
64.5 angstroms
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Rim Finish:
Ground
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Graduations/markings:
Cross line
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Bevel Depth And Location:
4.0 millimeters opposite etched surface
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Style Designator:
Crossline
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Federal Supply Class (fsc):
Optical instruments, test equipment, components and accessories
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National Stock Number (nsn):
6650-00-131-7030