Detail Specifications
Axial Thickness:
0.827 inches
Compound Lens Edge Thickness:
0.534 inches
Equivalent Focal Length:
2.905 inches
Back Focal Length:
2.967 inches
Front Focal Length:
2.333 inches
Refraction Index:
1.5744 and 1.6489
Abbe Constant:
57.700 and 33.800
Compound Lens Style:
Doublet
Individual Lens Style:
Double convex and plano-concave
Material:
Glass, optical, jan-g-174, grade c
Material:
Glass, optical, jan-g-174, grade c
Fsc Application Data:
Fire control, periscope mk 23
Item Name:
Objective Lens
Manufacturer Part Numbers
Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC