Interference Light Filter Set

Features

Specifications

• Filter Material:
  Glass
• Filter Quantity:
  17
• Carrying Case:
  Provided
• Part Name Assigned By Controlling Agency:
  Metallic neutral density filter set
• Federal Supply Class (fsc):
  Optical instruments, test equipment, components and accessories
• National Stock Number (nsn):
  6650-01-531-6259
• Special Features:
  Clear aperature 90.0 percent of diameter; surface quali type 60/40; coating quali type 40/20; operating temperature plus 100.0 degrees c; optical quality flatness 3.0 to 5.0 waves per inch; parallelism 3 arc minutes; set consists of following densities - 0.10, 0.15, 0.20, 0.30, 0.40, 0.50, 0.60, 0.70, 0.80, 0.90, 1.00, 1.30, 1.50, 2.00, 2.50, 3.00, and 4.00