Optical Instrument Lens

Features

Specifications

• Diameter:
  0.511 inches
• Axial Thickness:
  0.090 inches
• Equivalent Focal Length:
  0.993 inches
• Back Focal Length:
  0.993 inches
• Front Focal Length:
  0.912 inches
• Refraction Index:
  1.5230
• Abbe Constant:
  58.600
• Single Lens Style:
  Plano-convex
• Individual Lens Style:
  Plano-convex
• Material:
  Glass, optical, jan-g-174, grade c
• Fsc Application Data:
  1. Fire control, telescope mk 8, mod 0, 3, 6
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-00-143-1558