FLI Research Grade 4.5nm H-Alpha Filter - 50mm Round

ITEM #
FL-RG-50D-HA5
  • Sale
  • Regular price $725.00
  • FLI Research Grade 4.5nm H-Alpha Filter - 50mm Round

    • Sale
    • Regular price $725.00
    • ITEM #
      FL-RG-50D-HA5


    0

    Features

    FLI Research Grade 4.5nm H-Alpha Filter - 50mm Round

    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 4.5nm 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-HA4

    Additional Information

    Accessory TypeAlpha
    ConditionNew
    Filter MountedUnmounted
    Filter Side Adapter SizeRound
    ManufacturerFLI
    Size50mm
    Warranty1 Year Warranty

    Questions & Answers

    Have a Question?

    Be the first to ask a question about this.

    Ask a Question

    Make easy monthly payments over 3, 6, or 12 months

    Rates from 10–30% APR.

    Quick and easy

    Enter a few pieces of information for a real-time decision. Checking your eligibility won't affect your credit score.

    No hidden fees

    Know up front exactly what you'll owe, with no hidden costs and no surprises.

    Just select Affirm at checkout.