Review: The Astrophotography Filter That 'Deletes' Light Pollution on Full-Frame Cameras | Fstoppers
Preview: The First Ever Wide-Angle Astrophotography Filter for Full Frame Nikon Cameras | Fstoppers
Astro Multispectra (MS) Filter - STC Optics
STC Europe on Twitter: "By using our Astro Multispectra Filter all light pollution and airglow are filtered out, giving you the opportunity for much more interesting wavelengths of the deep-sky object which