SKU: 3715632218

Nebula Filter Oxygen III 1.25-inch 6.5nm

Sale price$143.99 Regular price$159.99
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Ships within 48 hours · Estimated delivery Aug 24 - Aug 29

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Description

Nebula Filter Oxygen III 1.25-inch 6.5nmCapture Clear Nebula Photos Despite Urban Light Pollution Struggling with light pollution in astrophotography? The O III Filter enhances nebula details without interference, giving you sharp, professional quality images from the city. Features 6. 5 nm Narrow Passband: Filters only the oxygen emission lines at 496 and 501 nm, blocking nearly all artificial light and improving contrast. 1. 25 Inch Compatibility: Designed specifically for telescopes

Capture Clear Nebula Photos Despite Urban Light Pollution

 

Struggling with light pollution in astrophotography? The O-III Filter enhances nebula details without interference, giving you sharp, professional-quality images from the city.

 

Features

  • 6.5 nm Narrow Passband: Filters only the oxygen emission lines at 496 and 501 nm, blocking nearly all artificial light and improving contrast.
  • 1.25-Inch Compatibility: Designed specifically for telescopes using 1.25-inch eyepieces, ideal for smaller or compact telescope setups.
  • Perfect for Light-Polluted Skies: Optimized for urban and suburban astronomers facing significant light pollution, allowing detailed views of emission nebulae.
  • Enhances Deep-Sky Object Visibility: Reveals faint nebulae, like the Cirrus Nebula (NGC 6992), that would otherwise be invisible in bright skies.
  • Premium Quality with Individual Test Report: Each filter is tested and comes with a unique report, ensuring top performance and reliability.
  • Improves Astrophotography: Ideal for astrophotographers looking to capture high-contrast, sharp images of nebulae and other emission-line objects, even in city environments.

The Nebula Filter Oxygen III 1.25-inch is for you if…

  • You struggle with light pollution and want clearer views of nebulae and other deep-sky objects without needing to leave the city.
  • You use a smaller telescope (with 1.25-inch eyepieces) and are looking for a powerful filter to maximize its performance.
  • You’re an astrophotographer who wants sharper, high-contrast images of nebulae despite light-polluted urban conditions.
  • You’re on a budget but still want to enhance the quality of your deep-sky observations without purchasing a more expensive, larger telescope.
  • You want a tested, reliable filter that includes an individual quality assurance report to ensure you’re getting premium results from your investment.

 

If you’re passionate about deep-sky astronomy but find light pollution constantly ruining your view, the Nebula Filter Oxygen III 1.25-inch 6.5nm is the solution you’ve been waiting for. Specifically designed for telescopes using 1.25-inch eyepieces, this premium filter isolates the critical oxygen emission lines at 496 and 501 nm, blocking almost all other light sources—including artificial light from street lamps and city glow. This means you’ll be able to observe faint emission nebulae, supernova remnants, and other deep-sky objects that are otherwise invisible in light-polluted skies, even with a compact telescope.

Take the Cirrus Nebula (NGC 6992) as an example. Without a filter, this object is barely visible in a 200 mm telescope under bright urban skies. But with the Nebula Filter Oxygen III, the foggy structures and intricate details of the nebula become strikingly clear, giving you a level of visibility that rivals dark-sky conditions—all from your own backyard. The filter’s 6.5 nm narrow passband ensures that only the oxygen emission lines pass through, enhancing the contrast and detail of nebulae while absorbing nearly all artificial light interference.

For astrophotographers, this filter is a game-changer. Whether you’re using a camera attachment or a telescope with 1.25-inch eyepieces, the O-III filter significantly improves the clarity of your long-exposure images, allowing you to capture high-contrast, detailed photos of emission nebulae even in light-polluted environments. By filtering out the unwanted wavelengths of artificial light, it enables sharper, more defined images, eliminating the need for expensive trips to dark-sky locations. And with an individual test report included with each filter, you’re guaranteed a product that delivers on its promises, ensuring high performance and reliability.

This filter is the perfect solution for astronomers who are looking for a powerful upgrade without breaking the bank. Instead of spending thousands on a larger telescope, the Nebula Filter Oxygen III maximizes the performance of your current setup, making it ideal for budget-conscious astronomers. If you’ve been struggling to see the detailed structure of deep-sky nebulae or capture clear astrophotography in a light-polluted environment, this filter will transform your experience and reveal the hidden beauty of the night sky.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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
SKU: 3715632218

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4.4 ★★★★★
Based on 28 reviews
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S
Sean F.
Omaha, US
★★★★★ 4
Solid replacement parts kit — just skip the mop pads
Size: Saros 10R/Qrevo CurvX/Edge 2 Accessories, Size: Saros 10R/Qrevo CurvX/Edge 2 Accessories
This kit has been a handy all-in-one refresh for my robot vacuum. The main brush, side brushes, filters, and dust bags all fit correctly on my Qrevo, slid in without fuss, and have been performing on par with the originals — suction feels unchanged, the side brushes kick debris toward the intake properly, and the filters look and seat identically to the ones they replaced. My one real complaint is the mop pads. They're noticeably thinner and flimsier than the OEM pads, don't hold water as well during a run, and left streakier lines on my floors compared to what I'm used to. I've ended up going back to the original-brand mop cloths and just using this kit for the dry-cleaning parts, which have genuinely been a good value. Four stars — great kit minus the mops.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026
J
Verified Purchase
Juli
Chelsea, US
★★★★★ 5
Great value
Size: Saros 10R/Qrevo CurvX/Edge 2 Accessories
As advertised
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
A
Another Amazon Reviewer
Natrona Heights, US
★★★★★ 3
Convenient Roborock Kit, but Quality Feels Lower than OEM
Size: Saros 10R/Qrevo CurvX/Edge 2 Accessories, Size: Saros 10R/Qrevo CurvX/Edge 2 Accessories
This is a convenient accessory kit for Roborock products, but my experience was mixed overall. I have a QX Revo Pro, not the Ultra, and I realized after the fact that the main brush in this kit is not compatible with my robot vacuum. That was my mistake, but it does limit how useful this particular set is for me. The kit includes a variety of parts, and it is nice to have so many replacements on hand in one package. However, the overall quality feels disappointing compared to my original Roborock accessories. The disposable vacuum bags are noticeably smaller than my OEM bags, which makes me question how often they will need to be changed. The mop pads also seem thinner and less substantial than the originals, and they do not look or feel like the same quality material. Because of these differences, I am concerned about the long term performance and durability of the replacement parts in this kit. While it is convenient and generally compatible with Roborock models, I am not confident that these accessories will hold up or clean as well as the OEM parts I am used to.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
V
VicSlick
West Palm Beach, US
★★★★★ 5
Perfect set of replacement parts! Virtually identical to original OEM parts....!
Size: Saros 10R/Qrevo CurvX/Edge 2 Accessories
These brushes, filters, and replacement bags fit our Saros 20 perfectly! Honestly, can't tell the different at all between these and Roborock's pricier first party brushes and filters. We got our robot just a few weeks ago, and the brushes snagged on something sharp and broke. We just dropped in the replacement brushes and up and running instantly. They clean as well, and maybe even slightly better than the original brushes, which is awesome. The extra vacuum bags are also really sturdy, and seem to be made with really strong woven fibers. Overall, really high quality materials, and build quality seems really solid, would recommend 100% to anyone looking for alternative replacement parts to first party OEM parts!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
C
Verified Purchase
chris65fl
Dallas, US
★★★★★ 5
Works Perfectly
Color: 12PCS side brushes for Freo X Ultra/Freo Z Ultra/Freo X Plus
The side brushes work perfectly in my robot vacuum and mop and are a better price than the brand replacements. I'm happy with my purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 19, 2025

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