Technical Specifications of NSN
Axial Thickness:
0.377 inches and 0.121 inches
Compound Lensaxial Thickness:
0.498 inches
Compound Lens Edge Thickness:
0.375 inches
Equivalent Focal Length:
12.797 inches
Back Focal Length:
12.504 inches
Front Focal Length:
12.106 inches
Refraction Index:
1.5230 and 1.6490
Abbe Constant:
58.600 and 33.800
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and meniscus diverging
Element Left Surface Radius:
6.849 inches
Element Right Surface Radius:
5.586 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 equip
Item Name:
Collimator,lens
Other Related Parts
No other part numbers with same form, fit, and function found.