Product Technical Spec.
Axial Thickness:
0.437 inches and 0.118 inches
Compound Lensaxial Thickness:
0.555 inches
Compound Lens Edge Thickness:
0.334 inches
Equivalent Focal Length:
3.302 inches
Back Focal Length:
3.073 inches
Front Focal Length:
3.180 inches
Refraction Index:
1.6110 and 1.7200
Abbe Constant:
58.800 and 29.300
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and meniscus diverging
Element Left Surface Radius:
-1.297 inches and 2.674 inches
Element Right Surface Radius:
-1.297 inches and -4.898 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:
1. Fire control, telescope, mk97 mod 1
Item Name:
Collimator,lens
Cross Referenced Parts
No other part numbers with same form, fit, and function found.