FLI Research Grade Red Filter - 28mm Round

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  • Regular price $200.00
  • ITEM #
    FL-RG-28D-R


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Features

FLI Research Grade Red Filter - 28mm Round

FLI Color CCD Filters - 28mm

Finger Lakes Instrumentation high transmission filters are manufactured in the United States with the highest quality fabrication techniques available. We offer a full line of filter types and sizes. Complete sets are available as well as individual filters in both round and square shapes and this product number reflects the single 28mm round in red.

FLI Color CCD Filters Features

  • AR: Durable AR coatings on both exterior surfaces over applicable transmission range
  • Scratch Dig: 60/40 or better (max scratch width 0.006mm, max dig 0.40mm)
  • Transmitted wavefront @ 633nm: Better than 0.25 wave/inch
  • Wedge: Better than 30 arcsec
  • Thickness: 5 +/- 0.05mm, parfocal +/- 0.2mm, (filters start parfocal +/- 0.1mm per recipe)
FLI Product Number: RG-28D-R

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