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Worldwide distributor of NSN parts and consumables located in the USA.

Optical Instrument Lens

Model / MPN: 8289293 | NSN: 6650-00-622-4990
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
6650-00-622-4990
Sold in multiples of
DEMIL
NO
Diameter
Between 1.696 inches and 1.699 inches
Axial Thickness
0.280 inches and 0.118 inches
Compound Lensaxial Thickness
0.398 inches
Equivalent Focal Length
8.819 inches
Back Focal Length
8.608 inches
Front Focal Length
8.210 inches
Refraction Index
1.5125 and 1.6210
Abbe Constant
60.500 and 36.200
Compound Lens Style
Doublet
Individual Lens Style
Double convex and plano-concave
Element Left Surface Radius
3.668 inches
Element Right Surface Radius
3.668 inches
Material
Glass, optical, mil-g-174, class 1, grade c, form plates
Material
Glass, optical, mil-g-174, class 1, grade c, form plates
82892 Series Parts

Pricing and Availability

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8289293 Cross Reference