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Item #:
46314844
Astromania 1.25" Narrowband NBPF Hydrogen-a 12nm Filter - deep Sky Photos in H-Alpha Light
Item #:
46314844
BDT 13029
Price Details
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Imported from USA store
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Order now and get it around Friday, August 21
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The Astromania H-alpha cut-off filter enhances the contrast between object and sky; allowing you to take good quality images even under urban skies.
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What Stands Out
12nm Bandwidth
This filter's 12nm bandwidth allows for precise capture of H-Alpha light, enhancing deep-sky photography by isolating hydrogen emissions for vibrant and detailed celestial images.
High Contrast
Designed to block out unwanted light pollution, this filter increases contrast in your astrophotography, revealing stunning details of nebulae and other deep-sky objects that would otherwise be lost.
Compatibility
Compatible with 1.25-inch telescopes, this filter easily integrates into existing setups, making it accessible for amateur and professional astronomers aiming to elevate their photography capabilities.
Product Details
| Thread Size | 51 Centimeters |
| Coating Description | No Coating |
| Special Effect | Neutral Density |
| Water Resistance Level | Water Resistant |
| Enclosure Material | metal |
| Screen Size | 2 Inches (5.1 cm) |
| Compatible Devices | Telescopes with 1.25-inch eyepiece |
| Media Type | ProductImage |
| Brand | Astromania |
| Manufacturer Part Number | SKU_AM_HF21X |
| Item Weight | 0.5 Ounces (14.18 grams) |
| Manufacturer | Astromania |
| Model Number | SKU_AM_HF21X |
| Item Dimensions L x W | 2"L x 2"W (5.1 cm) |
| Material | metal |
| Photo Filter Thread Size | 51 Centimeters |
| Photo Filter Effect Type | Neutral Density |
| Product Dimensions (L x W x H) | 2"L x 2"W (5.1 cm) |
Who Should Buy?
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Astrophotography Enthusiasts
Ideal for stargazers who focus on deep sky imaging, capturing stunning details in hydrogen-alpha light.
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Serious Amateur Astronomers
Great for advanced hobbyists who want to enhance their telescopes for better nebula observation and photography.
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Nebula Observers
Perfect for those specifically interested in studying and photographing H-alpha rich targets like emission nebulae.
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Casual Stargazers
Not suitable for casual users who prefer simpler views without the need for specialized filters.
Product Description
Astromania 1.25" Narrowband NBPF Hydrogen-a 12nm Filter - deep Sky Photos in H-Alpha Light
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the primary purpose of the Astromania H-alpha filter?
Answer: It is designed to enhance the contrast in nebula observations and photography, making it easier to view and capture details under light-polluted conditions. -
Question:
Can I use this filter in urban settings?
Answer: Yes, it effectively blocks light pollution, allowing for clear imaging even in urban skies. -
Question:
What is the mounting size for this filter?
Answer: The filter is suitable for telescopes with a 1.25-inch eyepiece barrel.
Astromania Filters SKU_AM_HF21X Editorial Review
The Astromania 2" Narrowband NBPF Hydrogen-a 12nm Filter has garnered mixed reviews from amateur astrophotographers and telescope enthusiasts. While many users appreciate the filter's ability to capture deep-sky images in H-Alpha light effectively, initial experiences with the product's threading and fitting have raised concerns. Several reviewers have experienced issues with the threading on the filter, particularly on the female side. One user highlighted that the retaining ring is thicker than ideal, which limits the amount of threaded connection available when attaching adapters. This has led some users to suggest modifications to enhance usability, such as sanding down the retaining ring to improve attachment compatibility. Despite these initial setup hurdles, many customers report satisfaction with the filter's performance after resolving the connection issues. It's noted for its ability to block visible band light effectively while maintaining a strong transmission at the desired 656nm wavelength. Some users found that additional filters, like UV/IR cut filters, are necessary to achieve the best imaging results and avoid issues like bloated star images caused by near-infrared transmission. Overall, the Astromania H-alpha filter is recognized as a good value for the price, especially for those focused on narrowband astrophotography. Its performance can be impressive when combined with other filters to create stunning layered images of nebulae and other celestial objects, provided users are ready to navigate its initial compatibility challenges. **
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Pros
- Effective for deep-sky astrophotography in H-Alpha light.
- Good value for the price; performs well overall.
- Compatible with narrowband imaging strategies when used with other filters.
Cons
- Thick retaining ring limits attachment options and may require modification.
Platform Trust & Buyer Confidence
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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22 July 2026 · via Trustpilot
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BDT 13029
Order now and get it around Friday, August 21
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- High-end nebula filter designed for optimal viewing of emission nebulae.
- Achieves over 90% transmission while rejecting light pollution.
- 15nm narrowband filter specifically captures H-alpha light at 656nm.
- Blocks harmful light from mercury and sodium-vapor lamps.
- Allows clear imaging even in city light conditions.
- Easily mounts into 1.25-inch telescope eyepieces.
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