Detail Specifications
Axial Thickness:
0.216 inches and 0.035 inches and 0.216 inches
Compound Lensaxial Thickness:
0.467 inches
Compound Lens Edge Thickness:
0.361 inches
Equivalent Focal Length:
1.790 inches
Back Focal Length:
1.623 inches
Refraction Index:
1.5110 and 1.6170 and 1.5110
Abbe Constant:
63.500 and 36.600 and 63.500
Compound Lens Style:
Triplet
Individual Lens Style:
Double convex and double concave and double convex
Individual Lens Style:
Double convex and double concave
Element Left Surface Radius:
0.981 inches
Element Right Surface Radius:
0.450 inches
Material:
Glass, optical, jan-g-174, grade c
Material:
Glass, optical, jan-g-174, grade c
Fsc Application Data:
Telescope
Item Name:
Collimator,lens
Manufacturer Part Numbers
No other part numbers with same form, fit, and function found.