Detail Specifications
Axial Thickness:
0.204 inches and 0.143 inches
Compound Lensaxial Thickness:
0.347 inches
Compound Lens Edge Thickness:
0.289 inches
Equivalent Focal Length:
11.682 inches
Back Focal Length:
11.660 inches
Refraction Index:
1.5230 and 1.6210
Abbe Constant:
58.600 and 36.200
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and meniscus diverging
Element Left Surface Radius:
-2.649 inches and 22.769 inches
Element Right Surface Radius:
-2.649 inches and 6.235 inches
Material:
Glass, optical, mil-g-174, class 1, grade b
Material:
Glass, optical, mil-g-174, class 1, grade b
Fsc Application Data:
Finder, range, t42e1, integrated with fire control equipment
Item Name:
Objective Lens
Manufacturer Part Numbers
Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC