The tamron sp af 70 200mm f28 di ld if macro is a lightweight high performance and fast tele zoom lens designed for dslr cameras with both 35mm full size image sensors and aps c sized sensors its fast f28 aperture enables photographers to work with the minimum depth of field or at higher shutter speeds to freeze action shots whilst offering a the best in class minimum focussing distance of 095m over the entire zoom range giving an impressive macro magnification ratio of 131 when zoom