This is a legacy lens from Minolta designed for use with digital cameras. It uses the Alpha mount so is compatible with Sony Alpha Cameras. It is a mid-range telephoto zoom with autofocus and functions perfectly. It can be used with full frame as well as APS-c sensors. This lens has close-focus capabilities (.4 meter or 1.3 feet) enabling it to be used for macro photography. This is a handy lightweight walk-around lens.