400nm to 2000nm Neutral Density Filters
from Gurley Precision Instruments

Wide selection of neutral density filters [See More]

  • Substrate Material: BK7 glass; Corning 7059
  • Filter Shape: Circular
  • Neutral Density Filter Type: Reflective
  • Filter Diameter, Side Length, or Rectangular Length: 25.4
Mounted ND Filter N-BK7 0.04-2.0 Optical Density -- NT46-504
from Edmund Optics Inc.

Edmund Optics now offers TECHSPEC ® circular stepped density filters. These filters are available with 11 steps and are made from BK7 or Fused Silica substrates for visible and UV light applications. The circular filters are also available mounted. The durable anodized aluminum mount has an... [See More]

  • Substrate Material: BK7 glass
  • Surface Quality: 60-40 Scratch / Dig
  • Optical Density: 0.0400 to 2
Absorptive Neutral Density Filter -- FSQ-OD05
from Newport Corporation

For lower power applications, precision polished [See More]

  • Substrate Material: BK7 glass
  • Filter Shape: Square
  • Neutral Density Filter Type: Absorptive
  • Filter Diameter, Side Length, or Rectangular Length: 50.8
Reflective Neutral Density Filter -- Model 1943
from Optarius

Metallic coated filters with a neutral transmittance across the visible [See More]

  • Substrate Material: BK7 glass
  • Filter Shape: Square
  • Neutral Density Filter Type: Reflective
  • Filter Diameter, Side Length, or Rectangular Length: 50.8