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Optical Instrument Lens

Model / MPN: 265862 | NSN: 6650-00-382-1912
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
6650-00-382-1912
Sold in multiples of
1 SE
DEMIL
DEMIL/MLI
Diameter
20.0 millimeters
Axial Thickness
4.0 millimeters and 3.0 millimeters
Compound Lensaxial Thickness
7.0 millimeters
Compound Lens Edge Thickness
7.0 millimeters
Equivalent Focal Length
198.170 centimeters or 120.870 centimeters
Back Focal Length
196.060 centimeters or 120.680 centimeters
Refraction Index
1.5110 and 1.5838
Abbe Constant
63.500 and 46.000
Compound Lens Style
Doublet
Individual Lens Style
Double convex and plano-concave
Element Left Surface Radius
771.3 millimeters and -705.7 millimeters
Element Right Surface Radius
771.3 millimeters and 0.0 millimeters
Material
Glass, optical, jan-g-174, grade a
Material
Glass, optical, jan-g-174, grade a
26586 Series Parts

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265862 Cross Reference
  • 727236PC1
  • LD172591PC17
  • LD172591GP17
  • G10100
  • LD172591PC17