Meade 07529 Series 4000 Color Filter Set No.2 (Black) Enhances the contrast of the moon and planets in photographic images Thread into the barrel of Meade 1.25-inch eyepieces Includes a no.11 yellow-green filter with 78-percent transmission and no.25A red filter with 14-percent transmission Includes a no.47 violet filter with 3-percent transmission and a no.82A light blue filter with 73-percent transmission Comes with a 1-year limited warranty