Used FLI Research Grade 8nm H-Alpha Filter - 50mm Round

Product Details

• Description
• Specifications
• Included Items
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• 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 50mm round in 7nm H-Alpha. 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-50D-HA7

• specifications

  Condition	Used
  Filter Side Adapter Size	Round
  Filter Type	H Alpha
  Size	50mm

• included items

  • Used FLI Research Grade 8nm H-Alpha Filter - 50mm Round