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Optical Instrument Lens

Model / MPN: 799597-1 | NSN: 6650-00-026-8137
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
6650-00-026-8137
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Diameter
1.377 inches
Axial Thickness
0.492 inches and 0.074 inches and 0.492 inches
Compound Lensaxial Thickness
1.058 inches
Compound Lens Edge Thickness
0.835 inches
Equivalent Focal Length
4.112 inches
Back Focal Length
3.729 inches
Front Focal Length
3.729 inches
Refraction Index
1.5110 and 1.6210 and 1.5110
Abbe Constant
63.500 and 36.200 and 63.500
Compound Lens Style
Triplet
Individual Lens Style
Double convex and double concave and double convex
Individual Lens Style
Double convex and double concave
Element Left Surface Radius
-0.985 inches and 2.165 inches and 0.985 inches
Element Right Surface Radius
-0.985 inches and 0.985 inches and 2.165 inches
Material
Glass, optical, jan-g-174, grade c
Material
Glass, optical, jan-g-174, grade c
799597 Series Parts

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799597-1 Cross Reference
  • 799597-1