Features
805-254 type sf-6 mil-g-174 optical glass material.
Includes quality control certificate of conformance.
Specifications
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Diameter:
3.779 inches
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Axial Thickness:
0.165 inches
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Single Lens Style:
Plano-concave
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Element Right Surface Radius:
-6.200 inches and 47.470 inches
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Material:
Glass, optical, mil-g-174, type sf-6, 805-254
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Fsc Application Data:
Night vision equipment, emitted and reflected radiation
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Federal Supply Class (fsc):
Night vision equipment, emitted and reflected radiation
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National Stock Number (nsn):
5855-01-151-4056
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Special Features:
Lens diverging eyepiece viewer