Technical Specifications of NSN
Axial Thickness:
0.086 inches and 0.361 inches
Compound Lensaxial Thickness:
0.447 inches
Compound Lens Edge Thickness:
0.244 inches
Equivalent Focal Length:
2.603 inches
Back Focal Length:
2.491 inches
Refraction Index:
1.6490 and 1.5170
Abbe Constant:
33.800 and 64.500
Compound Lens Style:
Doublet
Individual Lens Style:
Meniscus diverging and double convex
Element Left Surface Radius:
2.724 inches
Element Right Surface Radius:
1.196 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, elbow, m5 integrated with fire control equipment
Item Name:
Lens,telescope
Other Related Parts
No other part numbers with same form, fit, and function found.