Astromania Deluxe Telescope LRGB 1.25 Inch Filter Set - Give Stunning Astrophotographic Results These 1.25" imaging filters let you create dazzling three-step RGB astrophotos - just like the pros. Red, blue, and green filters plus the haze-eliminating Luminance filter give stunning astrophotographic results. Combining separate astrophotographs taken through these LRGB filters produces finer resolution and amazing color. All filters are housed in a sturdy filter cell and have Anti-Reflective coatings. The ASTROMANIA LRGB Filter Set includes four filters, 1.25" luminance Filter, 1.25" Red Filter, 1.25" Green Filter 1.25" Blue Filter.