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Thin-Film Coatings: Step Circular ND Filters

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Reynard Corporation
1020 Calle Sombra
San Clemente, CA 92673-6227
United States

Full Company Details
Phone: +1 949-366-8866
Fax: +1 949-498-9528
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Reynard Corporation

Thin-Film Coatings: Step Circular ND Filters
  • Type: Filters
  • Diameter / Dimension: 50mm - 100mm
  • Filter Category: Neutral Density Filter
  • Applications: Astronomy, Biomedical/Medical, Communications, Industrial, Military, Scientific Research, Other
  • Wavelength: 375 - 2500 nm
  • Inside Diameter: 7.5 mm and 25.4 mm
  • Surface Quality: 80-50 scratch/dig
  • TWE: < 2 waves/25 mm

Thin-film coatings: Step circular neutral density filters (VIS) can be used for calibration of illumination systems and are usable 375 nm to 2500 nm. Filter configuration consists of a circular glass substrate with spectrally flat ND metallic coating on one surface. The density variation takes place in discrete steps around the filter.
OD: 0.04 - 2.0
Custom sizes and densities are available.
Thin-Film Coatings: Step Circular ND Filters
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