Optical Instrument Lens

Features

Specifications

• Diameter:
  1.007 inches
• Axial Thickness:
  0.2166 inches and 0.0926 inches
• Compound Lensaxial Thickness:
  0.309 inches
• Compound Lens Edge Thickness:
  0.218 inches
• Equivalent Focal Length:
  4.123 inches
• Back Focal Length:
  3.973 inches
• Refraction Index:
  1.5170 and 1.6490
• Abbe Constant:
  64.500 and 33.800
• Compound Lens Style:
  Doublet
• Individual Lens Style:
  Double convex and plano-concave
• Element Left Surface Radius:
  -1.688 inches and 2.529 inches
• Element Right Surface Radius:
  -5.485 inches and 1.688 inches
• Material:
  Glass, optical, jan-g-174, grade c
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-00-504-5963