Celestron 93624 Narrowband Oxygen III 2 Telescope Filter

Description

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Celestron Oxygen III 2-inch Narrowband Filter for Telescopes
Condition: Brand New in Original Packaging
SKU: 93624_FO
Features
Isolates the two doubly-ionized oxygen lines
Blocks the rest of the overall spectrum of light
Extreme contrast
Ultra hard, vacuum-deposited coating
Eliminates the un-natural colored halos surrounding bright stars
Product Description
Celestron Oxygen III 2-inch Narrowband Filter for Telescopes isolates just the two doubly-ionized oxygen lines (496 and 501 nm 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, among other objects.
Impressive
The Oxygen filter has an ultra hard, vacuum-deposited coating carefully designed to block all of the visual spectrum ranging from 400 to 700 nm. This eliminates the un-natural colored halos surrounding bright stars common with O III filters of less sophisticated coating technology.
What's in the Box
Celestron Oxygen III 2-inch Narrowband Filter for Telescopes
Two Year Warranty
Specifications
Coating: Ultra Hard, Vacuum-Deposited
Blocks: Visual Spectrum Ranging from 400 to 700 nm
Shipping
Payment
Returns
Feedback
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