Albinar 52 Mm +1 +2 +4 +10 Close up Filters Kit and Cleaning Cloth Four close up attachments +1 +2 +4 +10 fit any regular lens with 52mm filter thread High Quality Macro/Close up Filters; High-index / low dispersion optical glass Can be used individually or in any combination to achieve maximum magnification with these attachments Filters are double threaded and you can use additionally other filters: UV, Polarizer and other Includes Travel Pouch For 4 Filters and Optical Cleaning Cloth