SKU: 86855929374

Nebula Filter S-II 1.25-inch 6.5nm

Sale price$143.99 Regular price$159.99
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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24

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Description

Nebula Filter S-II 1.25-inch 6.5nmSee Faint Nebulae Clearly, Even in Light Polluted Skies Struggling to observe deep sky objects through city lights? The Explore Scientific S II Filter reveals faint nebulae with enhanced contrast, without upgrading your telescope. Features 6. 5nm Passband Bandwidth: Specially designed to isolate the ionized sulfur (S II) emission line at 672nm, allowing you to observe faint nebulae and deep sky objects with enhanced clarity. Blocks Artificial Light:

See Faint Nebulae Clearly, Even in Light-Polluted Skies

 

Struggling to observe deep-sky objects through city lights? The Explore Scientific S-II Filter reveals faint nebulae with enhanced contrast, without upgrading your telescope.

 

Features

  • 6.5nm Passband Bandwidth: Specially designed to isolate the ionized sulfur (S-II) emission line at 672nm, allowing you to observe faint nebulae and deep-sky objects with enhanced clarity.
  • Blocks Artificial Light: Effectively absorbs most artificial light, including streetlights and other common light pollution sources, for clearer, high-contrast views in urban and suburban environments.
  • Optimized for 1.25-Inch Eyepieces: Perfect for smaller telescopes with 1.25-inch eyepieces, making it an accessible, high-performance tool for beginner to intermediate astronomers and astrophotographers.
  • Improved Contrast and Detail: Dramatically increases the contrast and detail in faint planetary nebulae, emission nebulae, and supernova remnants, revealing celestial objects that are often invisible without a filter.
  • Premium Quality with Individual Test Report: Each filter comes with an individual test report, ensuring top-tier quality and performance, so you can trust that you're receiving a precision-tested product.
  • Astrophotography Friendly: Ideal for astrophotographers looking to enhance deep-sky imaging by reducing light pollution, delivering sharper and clearer images of nebulae from light-polluted skies.

The Explore Scientific S-II 1.25-Inch Nebula Filter is for you if…

  • You’re struggling to observe faint nebulae or deep-sky objects due to light pollution in your city or suburb.
  • You use a telescope with a 1.25-inch eyepiece and need a high-quality, compatible filter to improve your stargazing experience.
  • You’re a beginner or intermediate astrophotographer who wants to capture clearer, more detailed images of nebulae, even in light-polluted areas.
  • You want a filter that significantly enhances contrast and detail without needing to upgrade your telescope or travel to dark-sky locations.
  • You seek a reliable, premium filter that comes with an individual test report, ensuring it meets professional standards for both visual observation and astrophotography.

If you're an urban or suburban astronomer struggling to observe faint nebulae, planetary nebulae, and supernova remnants, the Explore Scientific S-II 1.25-inch Nebula Filter is your ideal solution. Light pollution from streetlights and artificial sources makes it nearly impossible to see the delicate structures of these deep-sky objects. This filter is specially designed to block nearly all artificial light and isolate the specific ionized sulfur (S-II) emission line at 672nm, making faint nebulae visible with stunning clarity. Instead of just glimpsing a faint glow, you’ll be able to see the intricate details of objects like the Crab Nebula or the Helix Nebula.

Tailored for telescopes with 1.25-inch eyepieces, this filter is perfect for beginner to intermediate astronomers who use standard-sized equipment and don’t want to invest in larger, more expensive setups. The 6.5nm passband bandwidth precisely isolates the emission from ionized sulfur while filtering out the surrounding light. This allows you to observe deep-sky objects that are normally invisible under light-polluted conditions, providing a noticeable boost in contrast and detail. Whether you're observing from your backyard, a suburban rooftop, or a balcony, the Explore Scientific S-II filter helps you experience the cosmos without the need for dark-sky locations.

For astrophotographers, the benefits of the Explore Scientific S-II Filter are clear. By reducing unwanted light pollution, it dramatically enhances your ability to capture sharp, detailed images of emission nebulae. Picture photographing the Veil Nebula or the Eagle Nebula from a suburban setting and getting crisp, high-contrast results, without the typical haze and interference from city lights. The narrow 6.5nm passband enables you to isolate ionized sulfur emissions, making your long-exposure shots stand out with greater clarity and structure.

Plus, each filter is individually tested and comes with a test report, ensuring that you're receiving a premium product that meets rigorous quality standards. You’ll know that your filter is optimized for the best possible performance. If you’re ready to take your deep-sky observation or astrophotography to the next level, the Explore Scientific S-II 1.25-inch Nebula Filter is an essential tool for cutting through light pollution and revealing the hidden beauty of the universe. Don't let city lights hold you back—start seeing what you've been missing.

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: 86855929374

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4.7 ★★★★★
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Verified Purchase
Francisco Gonzalez
Charlottesville, US
★★★★★ 5
Perfect
Color: Silver single, Color: Silver single
Excellent salt grinder This ceramic grinder surprised me for its good quality. The design is very elegant, with the stainless steel part and the glass jar that allows you to easily see how much product is left inside. It feels solid and well built. The ceramic grinding mechanism works very smoothly and crushes the salt evenly. In addition, it is easy to refill and clean, which is very practical to use in the kitchen every day. It has a perfect size: it does not take up much space but has good capacity. Without a doubt it is a very useful and beautiful product for the table or the kitchen. I totally recommend it!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026
M
Verified Purchase
Mike McM.
Omaha, US
★★★★★ 5
Buy this
Color: Silver single
Nothing fancy,just functional.Priced right.Very satisfied.
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Reviewed in the United States on May 6, 2026
C
Verified Purchase
Chuck
Phoenix, US
★★★★★ 5
Very nicely made and easily filled for use.
Color: Silver single
Perfect for our kitchen. The ideal sea salt dispenser....and it is fully adjustable from coarse to fine.
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Reviewed in the United States on May 10, 2026
J
Verified Purchase
JAS
Lowell, US
★★★★★ 5
Great quality
Color: Silver single
Just what I was looking for in a salt shaker. It’s on the smaller side and the quality is great. I’m very satisfied with my purchase.
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Reviewed in the United States on May 7, 2026
T
Verified Purchase
TS
Belleville, US
★★★★★ 5
Great size, design, and 100% metal grinding mechanism
Color: 1pcs-Sliver-304
***PLEASE NOTE: This review is only for the more expensive version here with the all metal grinding mechanism and not the cheaper version that looks the same but has a ceramic grinder that’s also available on this page — hope this helps avoid potential confusion. My advice is to splurge on the metal grinder version. ***UPDATE 3/18/26*** Well, after almost two years of fairly heavy daily use the first flaw has emerged so thought I’d share. Yesterday the silver wrapping on the grinder part came loose making it hard to turn the grinder as it was slipping. I did a quick fix by adding some super glue around the seam at the top of the grinder and that’s done the trick at least for now. I’m leaving my 5-star rating because I remain thrilled with its overall performance and frankly would’ve ordered another one if this fix didn’t work, but so far it appears to be holding. 🤞 So still very happy but just wanted to share in case anyone else experiences this. ***UPDATE 8/18/25*** So I’ve now had this for over a year, and under pretty heavy daily use I’m happy to report it still works as well as the day I bought it. Great product, and it’s a pleasure to use every day. ***UPDATE 10/3/2024*** So, after almost four months of pretty heavy daily use I just wanted to report back that this grinder continues to work perfectly and shows every sign of lasting for years to come. I especially like the glass jar so I can see when I’m running low on black peppercorns, and even though it’s got a small form factor it holds a lot so I don’t have to refill it frequently despite using it multiple times daily. I’m super happy with this product all around and recommend it highly!!! ================================ Been using this for a few days now and am very happy so far. I’ve used a traditional wood pepper mill my whole life, but now it’s just me so I wanted something smaller and with a glass body so I can easily see when I need to add more peppercorns. I also wanted an all metal grinding mechanism (that this version has for an few dollars more) instead of ceramic, which doesn’t seem to hold up as well, and I definitely wanted no plastic parts involved in the actual grinding either — don’t need any more microplastics in my diet thank you. This one seemed to check all the boxes, and so far it’s been great. Initially it was set to a more fine, powdery grind, but it was super easy to adjust to a more course grind that I prefer and it’s perfect. Overall it seems well built and is very easy to use, and as long as this holds up it’s a definite keeper. I’ll report back if any future mishaps, but as of now I’d recommend this very highly!
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Reviewed in the United States on June 21, 2024

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