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Optical Instrument Lens

Model / MPN: 8566943 | NSN: 6650-00-789-4016
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
6650-00-789-4016
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Diameter
Between 2.299 inches and 2.302 inches
Axial Thickness
Between 0.366 inches and 0.382 inches
Equivalent Focal Length
12.754 inches
Back Focal Length
12.444 inches
Refraction Index
1.5170
Abbe Constant
64.500
Single Lens Style
Meniscus diverging
Element Left Surface Radius
5.239 inches
Element Right Surface Radius
24.877 inches
Material
Glass, optical, mil-g-174, grade b, type 517-645
Material
Glass, optical, mil-g-174, grade b, type 517-645
85669 Series Parts

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8566943 Cross Reference