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Optical Instrument Lens

Model / MPN: 175986PC9 | NSN: 6650-00-320-0802
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
6650-00-320-0802
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Diameter
21.0 millimeters
End Application
Rangefinder mk39
Axial Thickness
1.0 millimeters and 8.6 millimeters
Compound Lensaxial Thickness
9.6 millimeters
Equivalent Focal Length
57.890 centimeters
Back Focal Length
49.650 centimeters
Front Focal Length
60.130 centimeters
Refraction Index
1.6490 and 1.5170
Compound Lens Style
Doublet
Individual Lens Style
Plano-concave and double convex
Element Left Surface Radius
237.9 millimeters and 13.6 millimeters
Element Right Surface Radius
13.8 millimeters and 26.0 millimeters
Material
Glass, optical, jan-g-174
Material
Glass, optical, jan-g-174
175986PC Series Parts

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175986PC9 Cross Reference
  • 175986PC9
  • 175986PC9