Celestron Oxygen III (OIII) Narrowband 48mm Filter (Fits 2" Eyepieces)

Celestron Oxygen III (OIII) Narrowband 48mm Filter (Fits 2" Eyepieces)

Celestron Oxygen III (OIII) Narrowband 48mm Filter (Fits 2" Eyepieces)

B&H # CEO3F2 MFR # 93624
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Product Highlights

  • Blocks Longer Wavelengths
  • Better Highlights Nebulae
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Celestron 93624 overview

  • 1Description

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.

UPC: 050234936248
In the Box
Celestron Oxygen III (OIII) Narrowband 48mm Filter (Fits 2" Eyepieces)
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Celestron 93624 specs

    Packaging Info
    Package Weight 0.65 lb
    Box Dimensions (LxWxH) 3.3 x 0.9 x 0.1"

    Celestron 93624 reviews

    Oxygen III (OIII) Narrowband 48mm Filter (Fits 2" Eyepieces) is rated 1.0 out of 5 by 1.
    Rated 1 out of 5 by from Sent it back I saw a lot of good reviews on this so I thought I would try it. I live in a relatively dark area so for me it was like putting sunglasses on the telescope. All it did was darken the image and did absolutely nothing to enhance nebulas or anything else.
    Date published: 2016-07-07
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