Detail Specifications
Diameter:
Between 1.791 inches and 1.794 inches
Axial Thickness:
0.099 inches and 0.612 inches
Compound Lensaxial Thickness:
Between 0.701 inches and 0.721 inches
Equivalent Focal Length:
-3.851 inches
Back Focal Length:
-5.720 inches
Refraction Index:
1.7620 and 1.6200
Abbe Constant:
26.500 and 60.300
Compound Lens Style:
Doublet
Individual Lens Style:
Plano-concave and plano-convex
Element Left Surface Radius:
1.073 inches
Element Right Surface Radius:
0.681 inches
Material:
Glass, optical, mil-g-174, grade b
Material:
Glass, optical, mil-g-174, grade b
Item Name:
Collimator,lens
Manufacturer Part Numbers
No other part numbers with same form, fit, and function found.