Tamron now offers a lightweight compact high image quality telephoto zoom lens with macro capability of 12 that can be used with full frame and aps c digital slr cameras this new tamron 70 300mm lens is a di type using an optical system with improved multi coating designed to function with digital slr cameras as well as film cameras with this 70 300mm telephoto zoom lens flipping a macro switch in the focal length range of 180mm to 300mm obtains a maximum magnification ratio of 12 at a m