Optical Instrument Lens

Features

Specifications

• Diameter:
  67.6 millimeters
• End Application:
  Telescope
• Axial Thickness:
  22.8 millimeters and 3.5 millimeters
• Compound Lensaxial Thickness:
  26.3 millimeters
• Equivalent Focal Length:
  106.020 centimeters
• Back Focal Length:
  89.990 centimeters
• Front Focal Length:
  104.580 centimeters
• Compound Lens Style:
  Doublet
• Individual Lens Style:
  Double convex and plano-concave
• Material:
  Glass, optical
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-00-315-4133