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Optical Instrument Lens

Model / MPN: 322979PC2 | NSN: 6650-00-155-3294
ITAR Registered seal

An unmounted, transparent, color free lens which may be treated with a low reflection coating to increase light transmission. Includes single and compound elements. For items having two plane parallel surfaces, see window, optical instrument. Excludes reticle, optical instrument.

Product Details
NATO Stock Number
6650-00-155-3294
Sold in multiples of
DEMIL
DEMIL/MLI
Diameter
0.964 inches
Axial Thickness
0.078 inches and 0.314 inches
Compound Lensaxial Thickness
0.393 inches
Compound Lens Edge Thickness
0.241 inches
Equivalent Focal Length
1.590 inches
Back Focal Length
1.390 inches
Front Focal Length
1.555 inches
Refraction Index
1.6490 and 1.5720
Abbe Constant
33.800 and 57.400
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
3.711 inches and 0.850 inches
Element Right Surface Radius
-1.027 inches and 0.850 inches
Material
Glass, optical, jan-g-174, grade c
Material
Glass, optical, jan-g-174, grade c
Fsc Application Data
Fire control, range finder mk 63
322979PC Series Parts

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322979PC2 Cross Reference