Model #7660503

Optical instrument lens (NSN 6650-00-864-2941)

type 517-645 grade c mil-g-174 optical glass material.

Diameter

Between 0.897 inches and 0.900 inches

End Application

Telescope, panoramic, m117

Axial Thickness

Between 0.170 inches and 0.190 inches

Equivalent Focal Length

3.025 inches

Back Focal Length

2.906 inches

Refraction Index

1.5170

Abbe Constant

64.500

Single Lens Style

Plano-convex

Element Left Surface Radius

1.564 inches

Element Right Surface Radius

1.564 inches

Material

Glass, optical, mil-g-174, grade c, type 517-645

Description

Lens,optical Instrument

Cage Code

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