Optical Instrument Lens

Features

Specifications

• Diameter:
  0.906 inches
• Axial Thickness:
  0.205 inches
• Compound Lensaxial Thickness:
  0.205 inches
• Compound Lens Edge Thickness:
  0.072 inches
• Equivalent Focal Length:
  1.623 inches
• Back Focal Length:
  1.623 inches
• Refraction Index:
  1.5170
• Abbe Constant:
  64.500
• Single Lens Style:
  Plano-convex
• Individual Lens Style:
  Plano-convex and plano-convex
• Individual Lens Style:
  Plano-convex
• Element Left Surface Radius:
  0.839 inches
• Element Right Surface Radius:
  0.839 inches
• Material:
  Glass, optical, jan-g-174, grade c
• Fsc Application Data:
  Binocular, fire control
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-00-518-5192