Product Features
Reflection reducing treatment on front surface, jan-m-621
Product Technical Spec.
Diameter:
Between 1.424 inches and 1.427 inches
Axial Thickness:
0.064 inches and 0.579 inches
Compound Lensaxial Thickness:
Between 0.633 inches and 0.653 inches
Compound Lens Edge Thickness:
0.542 inches
Equivalent Focal Length:
8.090 inches
Back Focal Length:
8.944 inches
Refraction Index:
Between 1.6170 and 1.5170
Abbe Constant:
36.600 and 64.500
Compound Lens Style:
Doublet
Individual Lens Style:
Double concave and double convex
Element Left Surface Radius:
3.255 inches
Element Right Surface Radius:
1.503 inches
Material:
Glass, optical, mil-g-174, class 1, grade c, type 617-366 or glass, optical, mil-g-174, class 1, grade c, type 517-645
Material:
Glass, optical, mil-g-174, class 1, grade c, type 617-366 or glass, optical, mil-g-174, class 1, grade c, type 517-645
Fsc Application Data:
Telescope bc m65
Cross Referenced Parts
No other part numbers with same form, fit, and function found.