Technical Specifications of NSN
Axial Thickness:
0.414 inches and 0.125 inches and 0.564 inches
Compound Lensaxial Thickness:
1.103 inches
Compound Lens Edge Thickness:
0.812 inches
Equivalent Focal Length:
9.575 inches
Back Focal Length:
10.107 inches
Refraction Index:
1.5170 and 1.7200 and 1.5170
Abbe Constant:
64.500 and 29.300 and 64.500
Compound Lens Style:
Triplet
Individual Lens Style:
Plano-convex and plano-concave and double convex
Element Left Surface Radius:
17.281 inches
Element Right Surface Radius:
1.897 inches
Material:
Glass, optical, mil-g-174, class 1, grade c
Material Specification:
Mil-g-174, class 1, grade c military specification single material response
Fsc Application Data:
Telescope, integrated with fire control equipment
Item Name:
Objective Lens
Other Related Parts
No other part numbers with same form, fit, and function found.