Product Technical Spec.
Axial Thickness:
0.165 inches and 0.070 inches
Compound Lensaxial Thickness:
0.235 inches
Compound Lens Edge Thickness:
0.187 inches
Equivalent Focal Length:
3.135 inches
Back Focal Length:
3.020 inches
Refraction Index:
1.5170 and 1.6490
Abbe Constant:
64.500 and 33.800
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and meniscus diverging
Element Left Surface Radius:
1.923 inches
Element Right Surface Radius:
1.284 inches
Material:
Glass, optical, mil-g-174, class 1, grade b
Material:
Glass, optical, mil-g-174, class 1, grade b
Fsc Application Data:
Telescope, integrated with fire control equipment
Item Name:
Lens Assembly,collimator
Cross Referenced Parts
No other part numbers with same form, fit, and function found.