Model #12285259

Optical instrument lens (NSN 6650-01-078-7722)

type 689-312 grade b class 1 mil-g-174 optical type 573-575 and glass grade b class 1 mil-g-174 optical glass material.

Diameter

2.498 inches

Compound Lensaxial Thickness

0.600 inches

Refraction Index

1.5730 and 1.6890

Abbe Constant

57.500 and 31.200

Compound Lens Style

Doublet

Individual Lens Style

Double convex and plano-concave

Element Left Surface Radius

6.501 inches and 8.859 inches

Element Right Surface Radius

8.859 inches and 0.000 inches

Material

Glass, optical, mil-g-174, class 1, grade b, type 573-575 and glass, optical, mil-g-174, class 1, grade b, type 689-312

Description

Lens,optical Instrument

Cage Code

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