The Meade 07286 No.905 1.25-Inch Variable Polarizing Filter comes with (2) polarizer filters that are mounted for comfortable glare reduction when viewing the moon. By simply rotating the thumbscrew at the side of the unit to achieve light transmission between 5 and 25-percent of its original value. This item can be placed within the diagonal prism of the telescope before the eyepiece. This item is only for viewing and not photography. The Meade 07286 No.905 1.25-Inch Variable Polarizing Filter comes with a 1-year limited warranty. Meade has everything you need to capture the night sky for experienced star-shooters, serious researchers and beginners alike. Serious astronomers for years have flocked to Meade telescopes for their quality optical systems and patented technology. Consumers know that "Meade Optics Inside" means that what they see through our telescopes will be views that are detailed, crisp and full of contrast. Look through a Meade this evening and see what you've been missing.