--- product_id: 148487044 title: "Astromania Telescope Filter, 1.25 Inches Narrowband Hydrogen Alpha Filter, Galaxy Night Sky H-Alpha Nebula Filters for Astronomy Telescope, Telescope Accessories Light Pollution Filter" brand: "astromania" price: "504.12 DT" currency: TND in_stock: true reviews_count: 8 category: "Astromania" url: https://www.desertcart.tn/products/148487044-astromania-telescope-filter-1-25-inches-narrowband-hydrogen-alpha-filter store_origin: TN region: Tunisia --- # 1.25" narrowband H-Alpha filter Multi-coated for max contrast Blocks mercury & sodium light pollution Astromania Telescope Filter, 1.25 Inches Narrowband Hydrogen Alpha Filter, Galaxy Night Sky H-Alpha Nebula Filters for Astronomy Telescope, Telescope Accessories Light Pollution Filter **Brand:** astromania **Price:** 504.12 DT **Availability:** ✅ In Stock ## Summary > 🌠 See the stars like never before—your urban astronomy game-changer! ## Quick Answers - **What is this?** Astromania Telescope Filter, 1.25 Inches Narrowband Hydrogen Alpha Filter, Galaxy Night Sky H-Alpha Nebula Filters for Astronomy Telescope, Telescope Accessories Light Pollution Filter by astromania - **How much does it cost?** 504.12 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/148487044-astromania-telescope-filter-1-25-inches-narrowband-hydrogen-alpha-filter) ## Best For - astromania enthusiasts ## Why This Product - Trusted astromania brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Urban Sky Savior:** Cut through city light pollution and reveal nebulae in stunning detail. - • **Capture the Unseen:** Enhance emission nebulae visibility even under Bortle 7 skies and beyond. - • **Plug & Play Simplicity:** Easy 1.25" installation—upgrade your telescope in one quick step. - • **Precision Contrast Boost:** Hardened multi-coatings deliver razor-sharp, high-contrast deep sky images. - • **Trusted Astromania Quality:** Join thousands of stargazers enjoying premium optical clarity and durability. ## Overview The Astromania 1.25" Narrowband Hydrogen Alpha Filter is a premium telescope accessory designed to block light pollution from mercury and sodium vapor lamps, enabling high-contrast imaging of H-II regions and emission nebulae. Featuring hardened multi-coatings for unmatched optical clarity, it fits standard 1.25" telescope filter slots and is ideal for urban astronomers seeking sharper, brighter deep sky views. ## Description Product description Freedom to Choose Astromania 1.25" NBPF Filter Astromania 1.25" O-III Filter Astromania 1.25" UHC Filter Sutiable Diameter 1.25" Filter Type High-End Nebula Filter Function Point Blocks the infamous stray light and light from mercury and sodium vapour lamps. Allows high-contrast imaging even in areas with strong light pollution. Blocks the light from mercury and sodium-vapour lamps. Astromania 1.25" H-Alpha cut-off filter enhances the contrast between object and sky, allowing you to take good quality images even under urban skies. Easy To Install - Just One Step To Achieving! Astromania 1.25" H-Alpha Night Sky Filter - Good and Trustworthy Partner Review: You need to try one to see if it improves you star/nebula watching - Filter quality is good, clarity is good, Brightness is reasonable for a filter. Review: Good buy. - Does a quite good job with my Bortle 7 skies. Good filter & good price. ## Features - A filter with incredible light pollution cut off characteristics - The new H-Alpha passfilter enables high-contrast deep sky images of H-II regions - The H-Alpha filter shares the same outstanding features as all the other Astromania imaging filters - Unmatched optical quality and high efficiency hardened multicoatings result in the sharpest and highest contrast images possible - The filter is used as an extreme anti light-pollution filter and for contrast-enhancement of emission nebulae and other astronomical objects bright in the infrared ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07V7B98DT | | Audio Recording | No | | Best Sellers Rank | #129 in Telescope Filters | | Brand | Astromania | | Coating Description | Multi Coating | | Color | 1.25" H-Alpha Night Sky | | Compatible Devices | Telescopes with 1.25" filter capability | | Customer Reviews | 4.2 out of 5 stars 37 Reviews | | Enclosure Material | Glass | | Has Self-Timer | No | | Item Dimensions L x W | 1.25"L x 1.25"W | | Item Weight | 0.3 Ounces | | Manufacturer | Astromania | | Manufacturer Part Number | SKU_AM_ZF1HNS | | Material | Glass | | Media Type | ProductImage | | Model Number | SKU_AM_ZF1HNSB | | Photo Filter Effect Type | Hydrogen Alpha | | Photo Filter Thread Size | 3.2 Centimeters | | Screen Size | 1.25 Inches | | Special Effect | Hydrogen Alpha | | Thread Size | 3.2 Centimeters | | Water Resistance Level | Not Water Resistant | ## Product Details - **Brand:** Astromania - **Material:** Glass - **Photo Filter Thread Size:** 3.2 Centimeters - **Coating Description:** Multi Coating - **Photo Filter Effect Type:** Hydrogen Alpha - **Water Resistance Level:** Not Water Resistant - **Product Dimensions:** 1.25"L x 1.25"W ## Images ![Astromania Telescope Filter, 1.25 Inches Narrowband Hydrogen Alpha Filter, Galaxy Night Sky H-Alpha Nebula Filters for Astronomy Telescope, Telescope Accessories Light Pollution Filter - Image 1](https://m.media-amazon.com/images/I/716cZ0ahUOL.jpg) ![Astromania Telescope Filter, 1.25 Inches Narrowband Hydrogen Alpha Filter, Galaxy Night Sky H-Alpha Nebula Filters for Astronomy Telescope, Telescope Accessories Light Pollution Filter - Image 2](https://m.media-amazon.com/images/I/71jRCKCP5EL.jpg) ![Astromania Telescope Filter, 1.25 Inches Narrowband Hydrogen Alpha Filter, Galaxy Night Sky H-Alpha Nebula Filters for Astronomy Telescope, Telescope Accessories Light Pollution Filter - Image 3](https://m.media-amazon.com/images/I/81YdUAK+1HL.jpg) ![Astromania Telescope Filter, 1.25 Inches Narrowband Hydrogen Alpha Filter, Galaxy Night Sky H-Alpha Nebula Filters for Astronomy Telescope, Telescope Accessories Light Pollution Filter - Image 4](https://m.media-amazon.com/images/I/81I4s7LmJtL.jpg) ![Astromania Telescope Filter, 1.25 Inches Narrowband Hydrogen Alpha Filter, Galaxy Night Sky H-Alpha Nebula Filters for Astronomy Telescope, Telescope Accessories Light Pollution Filter - Image 5](https://m.media-amazon.com/images/I/81--mk7md-L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ You need to try one to see if it improves you star/nebula watching *by C***M on May 18, 2025* Filter quality is good, clarity is good, Brightness is reasonable for a filter. ### ⭐⭐⭐⭐⭐ Good buy. *by N***Y on March 1, 2020* Does a quite good job with my Bortle 7 skies. Good filter & good price. ### ⭐⭐⭐⭐ Works as you'd expect *by S***H on February 6, 2020* Works exactly how it should. It easily screws onto 1.25" eyepieces, though it works better with eyepiece projection camera adapters since the image is usually too dim for visual observing. ## Frequently Bought Together - Astromania 1.25" H-Alpha Night Sky Filter - Astromania 1.25" O-III Filter - Enhances Contrast During Visual Observation of Gaseous and Planetary Nebulae in All Sky Conditions, The Veil, Ring, Dumbbell and Orion Nebula, Among Many Other Objects - Astromania 1.25" UHC (Ultra High Contrast) Filter - Superb Views of The Orion, Lagoon, Swan and Other Extended Nebulae --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/148487044-astromania-telescope-filter-1-25-inches-narrowband-hydrogen-alpha-filter](https://www.desertcart.tn/products/148487044-astromania-telescope-filter-1-25-inches-narrowband-hydrogen-alpha-filter) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-02*