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Celestron Oxygen III (OIII) Narrowband Filter (1.25") - Blocks Longer Wavelengths of Light to Better Highlight Nebulae

B&H # CEO3F Mfr # 93623
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You Pay: $58.08

The narrowband oxygen III filter yields high transmissivity through blocking unwanted longer wavelengths of light that aren't involved in your attempts to observe, giving higher contrast to your observing and photographic experiences.  By isolating solely the two doubly-ionized oxygen lines(496 & 501nm lines) emitted by planetary and emission nebulae while blocking the rest of the overall spectrum of light, the result is extreme contrast between the black sky background and the faint photons of OIII light needed for detailed views of the Veil, Ring, Dumbbell, Crescent and Orion nebulae amongst other objects.  Each filter has an ultra hard, vacuum-deposited coating carefully designed to block all of the visual spectrum ranging from 400-700nm, eliminating the unnatural colored halos surrounding bright stars common with less sophisticated O III filters.

Celestron Oxygen III (OIII) Narrowband Filter (1.25") - Blocks Longer Wavelengths of Light to Better Highlight Nebulae
  • 1-Year Warranty
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    CelestronO III Narrowband Filter (1.25") - For Viewing Nebulae
     
    5.0

    (based on 1 review)

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    Reviewed by 1 customer

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    5.0

    Awesome

    By The Fantastic G

    from Tomball, Texas

    About Me Casual/ Recreational

    Verified Buyer

    Pros

    • Great Optics
    • Strong Construction

    Cons

      Best Uses

      • Astronomy

      Comments about Celestron O III Narrowband Filter (1.25") - For Viewing Nebulae:

      The Wife is extremely happy with the preformance of this filter.

      • Was this a gift?:
      • Yes

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