Optical Instrument Lens

Features

Specifications

• Diameter:
  1.125 inches
• Axial Thickness:
  0.224 inches
• Equivalent Focal Length:
  2.220 inches
• Back Focal Length:
  2.050 inches
• Refraction Index:
  1.4740
• Abbe Constant:
  64.400
• Single Lens Style:
  Plano-convex
• Individual Lens Style:
  Plano-convex
• Element Left Surface Radius:
  0.000 inches
• Element Right Surface Radius:
  -1.043 inches
• Fsc Application Data:
  1. Sights, optical, aircraft gunnery fire control
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-00-925-1274