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

Brand: Used Equipment

SKU : UT-15617

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  • This used item is in "Excellent" condition and comes with original packaging.
  • Minor signs of wear; only noticeable under close inspection. Does not affect function.

Product Details

  • 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

    Filter Side Adapter SizeRound
    Filter TypeH Alpha
  • included items

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

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