Photometry Filter, I-Band Bessell, 875nm, FWHM 300nm

Chroma Technology Astronomy Filter

Manufacturer's part number :

I-Band Bessell

Manufacturer CHROMA TECHNOLOGY Fluorescence Filters

Chroma Technology

Description :

I-Band Bessell is a band pass filter for Photometry application with a central wavelength at 875nm, and a bandwidth of 300nm (FWHM).

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    Features

  • Central wavelength: 875nm I-Band Bessell
  • Bandwidth (FWHM): 300nm
  • Dimensions: 27mm, 50mm diameter or 50x50mm square
  • Transmitted wavefront at 633nm (better than 0.25 waves/inch)
  • Parallelism <30 arcsec
  • Thickness: 4.9 +/-0.05mm, parfocal +/-0.2mm (filters start parfocal +/-0.1mm per recipe)
  • Filters are not mounted in rings except by special request.
  • Benefits

  • Durable, anti-reflective coatings on both exterior surfaces over applicable transmission range
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Filters Type Band pass filter  

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