Celestron Oxygen III (OIII) Narrowband 48mm Filter (Fits 2" Eyepieces)
Product #26505
SKU 93624
In stock with supplier Usually ships in 1 - 2 weeks


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

Product #26505 | SKU 93624
In stock with supplier Usually ships in 1 - 2 weeks

Blocks Longer Wavelengths, Better Highlights Nebulae


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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-ionised 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 OIIIlight 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 coloured halos surrounding bright stars common with less sophisticated O III filters.

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Product:
Celestron Oxygen III (OIII) Narrowband 48mm Filter (Fits 2" Eyepieces)
Manufacturer:
Celestron
Model:
93624
SKU:
93624
RM Product #:
26505