Astronomik UHC-E Clip-Filter EOS XL for Deep-Sky Observation astrophotography camera The H-alpha filter is best

The H-alpha filter is best for red-glowing nebulae

Shopping centres

The new Astronomik Deep-Sky RGB filters are the result of long and detailed research and development

An H-alpha filter is often the first step for astrophotography

Mounting Accessories: Comes with two heavy-duty guide scope rings and a dovetail mounting bar with multiple attachment options for versatility

Astronomik UHC-E Clip-Filter EOS XL for Deep-Sky Observation astrophotography camera The H-alpha filter is bestAstronomik UHC E Clip Filter EOS XL The Astronomik UHC E filter is our budget filter for deep sky observation of emission nebulae and comets under light polluted skies. Its particularly suitable for small scopes. The UHC E Filter increases contrast of emission nebulae and comets and blocks the light of typical streetlights as well as airglow. It is best suited for telescopes up to 5" 125mm. Main use The Astronomik UHC E filter provides a FWHM of 45nm