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60mm Diameter 0.04-1.5 OD, Circular ND Filter

Stock #53-212 In Stock
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Diameter (mm):
Angle of Incidence (°):
Optical Density OD (Average):
0.04 - 1.5
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Inner Diameter (mm):
Thickness (mm):
Neutral Density Filter
Blocking Wavelength Range (nm):
400 - 700
Parallelism (arcmin):
Optical Density Tolerance (%):
Coating Specification:
Continuously Variable Inconel from 0 - 310°

Regulatory Compliance

Certificate of Conformance:

Product Family Description

  • Complete Package
  • Smooth Rotation
  • Stainless Steel Post is Included

Mounted Circular Neutral Density (ND) Filters provide continuously variable, linear attenuation of incident light by rotating the filter about its center. The transmitted intensity is varied as a function of the optical density range. An inexpensive, ergonomic hub assembly holds the glass filter securely to the mount block. The Delrin® hub ensures a protective surface against the filter. Mounted Circular Neutral Density (ND) Filters feature a convenient ¼-20 tapped hole in the aluminum mount block that permits a variety of mounting configurations. The filter is rotated manually by turning along the outside edge, front knob, or rear turning screw. A 4" long, 0.5" diameter stainless steel post is included.