A compact macro-focus lens that coversthe full range from life-size to infinity. "Life size" macroimaging means that the image you capture is the same size as the subject inreality -- giving you spectacularly sharp photos of insects, flowers,gemstones, postage stamps and other small nature subjects and collectibles.Mounted on the Sony® a (alpha) DSLR-A100 camera, this lens provides a 75mmfocal length (35mm equivalent) -- which means it can also be used as a standardand midrange telephoto lens.