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Ships within 48 hours · Estimated delivery Aug 13 - Aug 18
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Description
Celestron Oxygen III (OIII) Narrowband 48mm Filter (Fits 2" Eyepieces)Blocks Longer Wavelengths Better Highlights Nebulae 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
- Blocks Longer Wavelengths
- Better Highlights Nebulae
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.
| Packaging Info | |
|---|---|
| Package Weight | 0.65 lb |
| Box Dimensions (LxWxH) | 3.3 x 0.9 x 0.1" |
- 1-Year Warranty
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy