Optical Instrument Lens

Features

Specifications

• Diameter:
  Between 67.96 millimeters and 67.99 millimeters
• End Application:
  Shud, p/n 79-049-12, 1270010948505
• Axial Thickness:
  Between 2.46 millimeters and 2.65 millimeters
• Equivalent Focal Length:
  -0.062 centimeters
• Single Lens Style:
  Plano-concave
• Element Left Surface Radius:
  437.4897 millimeters
• Material:
  Glass, optical, mil-g-174, class 1, grade b
• Fsc Application Data:
  Cell assembly, opt instr, p/n 019704, 1270010794202
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-01-078-5587
• Special Features:
  Antireflection coating of magnesium fluoride, mil-c-675