# Best Light Pollution Filters for City Skies (2026) Source: https://stargazernest.com/best/light-pollution-filters Updated: 2026-09-14 Publisher: Stargazer Nest. Our score is an editorial rating out of 10 (fit 35%, features 25%, build 20%, value 20%), not a customer rating. Method: https://stargazernest.com/how-we-research#our-score Light pollution filters block the specific wavelengths that streetlights emit while passing the light from emission nebulae. Broadband filters gently darken the sky background and suit general viewing and imaging, while narrowband and UHC filters isolate hydrogen and oxygen lines for a stronger boost on nebulae. Two cautions: these filters do little for galaxies and star clusters, whose light spans the whole spectrum, and older sodium-tuned designs are less effective against modern LED lighting, so check current-generation coatings. These filters suit observers stuck under suburban or city skies who want more from emission nebulae like Orion or the Lagoon. A practical tip: match the filter to your bortle-class sky and your targets. A UHC-style narrowband gives the biggest visual lift on nebulae from a bright site, while a milder broadband filter is the safer choice if you also image or split time on star fields. ## Picks ### 1. SVBONY Telescope Filter 1.25 inches CLS Filter Bundle with UHC Filter and Universal Cell Phone Adapter Mount Our score: 8.4/10 (Fit for the job 9/10 · Features and specs 8/10 · Build and materials 7/10 · Value 9/10) SVBONY 1.25 inch CLS filter bundle with a UHC filter and universal cell phone adapter mount. Pros: - CLS and UHC filters cover broadband city glow and narrower nebula contrast - Universal cell phone adapter lets you snap filtered views through the eyepiece - Bundle is a practical starter kit for suburban deep-sky observers Cons: - Phone adapter is basic and can take patience to align with the eyepiece - Two filters stacked or swapped often means fumbling in the dark Details: https://stargazernest.com/product/B0B14SV8HC ### 2. SVBONY Telescope Filter 1.25" UHC Filter Astrophotography to Improve The Image Contrast Reduces Light Pollution Our score: 8.1/10 (Fit for the job 9/10 · Features and specs 7/10 · Build and materials 7/10 · Value 9/10) SVBONY 1.25 inch UHC filter that boosts nebula contrast and cuts light pollution for visual use and astrophotography. Pros: - UHC passband darkens the sky background so emission nebulae stand out - 1.25 inch threads fit most eyepieces and small camera adapters - Low price makes it an easy first nebula filter to try Cons: - Does little for galaxies and star clusters, which emit broad-spectrum light - Dims the whole view noticeably in telescopes with small apertures Details: https://stargazernest.com/product/B06XKRSH6X ### 3. SVBONY Telescope Filter 1.25 inches UHC Filter Bundle with 1.25 inches CLS City Light Pollution Reduction Filter Our score: 8.1/10 (Fit for the job 9/10 · Features and specs 7/10 · Build and materials 7/10 · Value 9/10) SVBONY 1.25 inch UHC filter bundle with a 1.25 inch CLS city light pollution reduction filter. Pros: - Pairing UHC and CLS lets you choose strong or gentle light pollution control - Standard threads fit most eyepieces and camera nosepieces - Bundle value is better than buying both filters separately Cons: - No phone adapter in this bundle, unlike the similar SVBONY kit - Filters cannot make a bright city sky as good as a dark site Details: https://stargazernest.com/product/B0CT35GF9G ### 4. SVBONY Telescope Filter 1.25" CLS Broadband Filter for Deep Sky Visual Astronomical Photography Reduce City Light Pollution Our score: 7.8/10 (Fit for the job 8/10 · Features and specs 7/10 · Build and materials 7/10 · Value 9/10) SVBONY 1.25 inch CLS broadband filter to reduce city light pollution for deep sky visual and astronomical photography. Pros: - Broadband CLS design keeps more star color than narrow UHC filters - Helps cut sodium and mercury streetlight glow from suburban skies - Works for both visual observing and entry-level imaging Cons: - Broadband filters give a milder contrast boost than UHC on nebulae - Modern LED streetlights are harder to block with CLS-style filters Details: https://stargazernest.com/product/B079BWD595 ### 5. Astromania Telescope UHC Filter 1.25 Inch Improve Image Contrast Reduce Light Pollution Nebula Filter Orion Swan Our score: 7.6/10 (Fit for the job 8/10 · Features and specs 7/10 · Build and materials 7/10 · Value 8/10) Astromania 1.25 Inch UHC nebula filter that improves contrast on targets like the Orion and Swan nebulae. Pros: - Tuned to reveal emission nebulae such as Orion and the Swan - Reduces light pollution glow to darken the background sky - Budget alternative to premium UHC filters Cons: - Less established brand, so passband accuracy may vary - Galaxies and reflection nebulae gain little from a UHC filter Details: https://stargazernest.com/product/B07VCXJ9HN ### 6. SVBONY Telescope Filter 2" CLS Broadband Filter Reduce City Light Pollution for Deep Sky Visual Astronomical Photography Our score: 7.6/10 (Fit for the job 8/10 · Features and specs 7/10 · Build and materials 7/10 · Value 8/10) SVBONY 2 inch CLS broadband filter to reduce city light pollution for deep sky visual and photography use. Pros: - 2 inch size suits wide-field eyepieces and larger camera sensors - Broadband filtering preserves natural star colors - Useful for suburban observers working with bigger telescopes Cons: - Requires a 2 inch threaded eyepiece or adapter - Broadband filters offer modest contrast gain compared with narrowband Details: https://stargazernest.com/product/B079BWDRFC ### 7. SVBONY Telescope Filter UHC Ultra High Contrast Filter EOS-C Clip-on for CCD Cameras and DSLR Reduce Light Pollution Our score: 7.2/10 (Fit for the job 7/10 · Features and specs 7/10 · Build and materials 7/10 · Value 8/10) SVBONY UHC EOS-C clip-on filter for CCD cameras and Canon-style DSLRs that reduces light pollution in images. Pros: - Clip-on design sits inside the camera body, so any lens can be used with it - UHC contrast boost helps nebula imaging from suburban locations - Works for wide-field camera lens astrophotography Cons: - EOS-C format only fits compatible camera bodies, not eyepieces - Clip-in filters can interfere with some lenses or mirror movement Details: https://stargazernest.com/product/B07DDJLNPT ### 8. FIBONAX 1.25 Inch UHC Filter for Telescopes Ultra High Contrast Light Pollution Reduction Astrophotography Stargazing Our score: 7.0/10 (Fit for the job 7/10 · Features and specs 7/10 · Build and materials 6/10 · Value 8/10) FIBONAX 1.25 Inch UHC ultra high contrast filter for telescopes, stargazing and astrophotography. Pros: - UHC design reduces light pollution and highlights emission nebulae - Suitable for both visual stargazing and camera imaging - Standard small-barrel size threads onto most common eyepieces and diagonals Cons: - Unfamiliar brand, so coating quality is harder to judge - Offers little benefit for galaxies or planets Details: https://stargazernest.com/product/B0D1TWF7GZ As an Amazon Associate I earn from qualifying purchases.