Technical Specifications of NSN
Diameter:
Between 4.075 inches and 4.078 inches
Axial Thickness:
0.685 inches and 0.204 inches and 0.874 inches
Compound Lensaxial Thickness:
Between 1.748 inches and 1.778 inches
Equivalent Focal Length:
12.597 inches
Refraction Index:
1.6070 and 1.6130 and 1.6070
Abbe Constant:
56.700 and 44.300 and 56.700
Compound Lens Style:
Triplet
Individual Lens Style:
Double convex and double concave and plano-convex
Element Left Surface Radius:
7.353 inches
Element Right Surface Radius:
7.353 inches
Material:
Glass, optical, mil-g-174, grade b
Material:
Glass, optical, mil-g-174, grade b
Other Related Parts
No other part numbers with same form, fit, and function found.