Detail Specifications
Axial Thickness:
0.500 inches and 0.157 inches
Compound Lensaxial Thickness:
0.657 inches
Compound Lens Edge Thickness:
0.409 inches
Equivalent Focal Length:
3.114 inches
Back Focal Length:
2.794 inches
Front Focal Length:
2.993 inches
Refraction Index:
1.5169 and 1.6488
Abbe Constant:
64.400 and 33.800
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and meniscus diverging
Material:
Glass, optical, jan-g-174, grade c
Material:
Glass, optical, jan-g-174, grade c
Fsc Application Data:
Fire control periscope mk 28, mod o, 1
Item Name:
Lens Assembly,collimator
Manufacturer Part Numbers
Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC