Detail Specifications
Axial Thickness:
0.335 inches and 0.430 inches
Compound Lensaxial Thickness:
0.394 inches
Compound Lens Edge Thickness:
0.211 inches
Equivalent Focal Length:
1.141 inches
Back Focal Length:
0.905 inches
Refraction Index:
1.5411 and 1.6170
Abbe Constant:
36.600 and 59.900
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and meniscus diverging
Element Left Surface Radius:
-0.629 inches and 0.473 inches
Element Right Surface Radius:
-0.473 inches and 3.351 inches
Material:
Glass, optical, jan-g-174, grade c
Material:
Glass, optical, jan-g-174, grade c
Item Name:
Lens,telescope
Manufacturer Part Numbers
No other part numbers with same form, fit, and function found.