SKU: 70126677780

Nebula Filter S-II 1.25-inch 12nm

Sale price$134.99 Regular price$149.99
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Description

Nebula Filter S-II 1.25-inch 12nmNebula Filter S II 1. 25 inch 12nm Features High quality Explore Scientific S II filter Absorbs all other emission lines Absorbs almost all of the artificial light Passband bandwidth: 12 nm For observing faint planetary nebulae, emission nebulae and supernova remnants More contrast and details for all urban observers and astrophotographers An individual test report of this premium filter is included in the scope of delivery In addition to the

Nebula Filter S-II 1.25-inch 12nm

 

Features

  • High quality Explore Scientific S-II filter
  • Absorbs all other emission lines
  • Absorbs almost all of the artificial light
  • Passband bandwidth: 12 nm
  • For observing faint planetary nebulae, emission nebulae and supernova remnants
  • More contrast and details for all urban observers and astrophotographers
  • An individual test report of this premium filter is included in the scope of delivery

 

In addition to the turbulence in the air, the brightening of the night sky is the greatest obstacle to observing faint objects beyond the solar system. Street lights and other artificial lighting mean that the sky in human settlements is no longer properly black. As a result, the contrast and thus the perception of the deep-sky objects also suffer. Depending on the type of celestial object, however, part of the interfering light can be filtered out, making it easier to observe the objects.

The Explore Scientific S-II filter uses the property of the so-called emission mist. These objects glow in certain colors, the so-called emission lines. The emission lines are linked to certain chemical elements - in this case, ionized sulfur. The Explore Scientific S-II nebula filter blocks all other colors (and thus almost all artificial light) and only lets through the emission lines of the ionized sulfur at 672 nm. The effect is amazing: Suddenly, fog becomes visible in places that appear completely empty without a filter. When the sky is slightly brightened, there are many planetary nebulae, emission nebulae, and supernova remnants be seen completely problem-free when using this filter. A must for every amateur visual astronomer and also for astrophotography.

The Explore Scientific mist filters are supplied with an individual test report - so you can be sure that you are receiving high-quality filters.

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
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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]
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SKU: 70126677780

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Rose A
Bozeman, US
★★★★★ 5
Great weekender
Color: Beige, Size: 17 Inch
Great size for weekend travel. I love the look. Zippers are strong. Material is also strong. I've received many compliments on the bag. Easy to carry. Love that it has a side handle. I do miss that there are no side pockets, but great bag overall.
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Reviewed in the United States on July 13, 2025
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Charles Echeverria
Carnegie, US
★★★★★ 5
Perfect bag
Color: Apricot, Size: 16 Inch
Perfect bag! Is lightweight, good size, and beautiful, it has plenty of pockets, and easy to carry on your back or on your carry-on
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Reviewed in the United States on August 3, 2025
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bernadette pernotto
Louisville, US
★★★★★ 4
Doesn't Fit 16" Laptop
Color: C-apricot, Size: 14 Inch
My Dell laptop is 9" wide & 14" long. I can only zip up the back partially with my laptop in the backpack. I don't add anything else that is heavy because I'm fearful it will break. I wish it was bigger. I can fit my Apple laptop in it but it is smaller.
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Reviewed in the United States on August 4, 2025
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Ashley Driggers
Lexington, US
★★★★★ 5
Good Quality
Color: C-apricot, Size: 14 Inch
The quality of the backpack is very good. I like how it has a waterproof feeling fabric. I have used it for work and travel and it is excellent quality.
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Reviewed in the United States on February 12, 2026
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Tara S
Belleville, US
★★★★★ 5
Great Bag
Color: Black Brown, Size: 17.3 Inch
This backpack is awesome it holds way more than I anticipated and is super cute. The quality seems to be good to what I can tell.
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Reviewed in the United States on August 16, 2025

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