Model #8566940

Optical instrument lens (NSN 6650-00-789-4017)

Special Features
Front and back surfaces coated with magnesium fluoride

type 720-293 grade b mil-g-174 optical glass material.

Diameter

Between 0.942 inches and 0.945 inches

Axial Thickness

Between 0.118 inches and 0.134 inches

Equivalent Focal Length

-2.532 inches

Back Focal Length

-2.605 inches

Refraction Index

1.7200

Abbe Constant

29.300

Single Lens Style

Plano-concave

Element Left Surface Radius

1.823 inches

Element Right Surface Radius

1.823 inches

Material

Glass, optical, mil-g-174, grade b, type 720-293

Description

Lens,optical Instrument

Cage Code

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