Detail Specifications
Diameter:
Between 4.075 inches and 4.078 inches
Axial Thickness:
0.204 inches and 0.685 inches
Compound Lensaxial Thickness:
Between 0.879 inches and 0.899 inches
Equivalent Focal Length:
12.224 inches
Back Focal Length:
11.627 inches or 11.707 inches
Refraction Index:
1.6130 and 1.6070
Abbe Constant:
44.300 and 56.700
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and plano-concave
Element Left Surface Radius:
7.353 inches
Element Right Surface Radius:
7.353 inches
Material:
Glass, optical, mil-g-174, grade b
Material:
Glass, optical, mil-g-174, grade b
Item Name:
Lens Assembly,collimator
Manufacturer Part Numbers
No other part numbers with same form, fit, and function found.