Technical Specifications of NSN
Axial Thickness:
0.078 inches and 0.031 inches
Compound Lensaxial Thickness:
0.110 inches
Compound Lens Edge Thickness:
0.167 inches
Equivalent Focal Length:
2.224 inches
Back Focal Length:
2.338 inches
Front Focal Length:
2.241 inches
Refraction Index:
1.6460 and 1.5720
Abbe Constant:
34.000 and 57.500
Compound Lens Style:
Doublet
Individual Lens Style:
Plano-convex and double concave
Element Left Surface Radius:
-1.216 inches
Element Right Surface Radius:
-1.216 inches and 1.219 inches
Material:
Glass, optical, jan-g-174, grade c
Material:
Glass, optical, jan-g-174, grade c
Fsc Application Data:
Fire control, range finder mk 45
Item Name:
Lens Assembly,collimator
Other Related Parts
No other part numbers with same form, fit, and function found.