Sigma 70-300mm f/4-5.6 APO DG Macro Zoom Telephoto Lens & Filters & 6 Year Warranty for Canon EOS Designed for use with full frame digital SLR cameras. May also be used with smaller APS-c size sensors with a corresponding effective increase in focal length to about 100 to 450mm with most cameras Minimum focusing distance of 59 inches & allows macro photography with a maximum magnification of 1 to 2 Extremely compact design weighing only 19.4 oz & measures only 4.8 inches in length In order to attain the highest quality images, the APO lens has been made using special low-dispersion (SLD) glass and is designed to minimize color aberration. Kit includes: 6 year warranty extension, Opteka 3 Piece Filter kit, and a 5 piece lens cleaning kit