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Optical Instrument Lens

Model / MPN: LD172589PC116 | NSN: 6650-00-382-1888
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
6650-00-382-1888
Sold in multiples of
1 EA
DEMIL
DEMIL/MLI
Diameter
1.768 inches
Axial Thickness
0.236 inches and 0.158 inches
Compound Lensaxial Thickness
0.394 inches
Compound Lens Edge Thickness
0.331 inches
Equivalent Focal Length
12.196 inches
Back Focal Length
11.980 inches
Front Focal Length
12.164 inches
Refraction Index
1.5740 and 1.6210
Abbe Constant
57.700 and 36.600
Compound Lens Style
Doublet
Individual Lens Style
Double convex and meniscus diverging
Element Left Surface Radius
-4.095 inches and 7.559 inches
Element Right Surface Radius
-4.095 inches and -35.433 inches
Material
Glass, optical, mil-g-174, class 1, grade c
Material
Glass optical
Material Specification
Mil-g-174, class 1, grade c military specification single material response
Fsc Application Data
1. Fire control, collimator, telescope

Pricing and Availability

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LD172589PC116 Cross Reference
  • LD172589GP116
  • LD172589GP116
  • LD172589PC116