Tamron A17E AF 70-300mm F/4-5.6 Di LD Macro Telephoto Zoom Lens with Hood for Canon DSLR Camera (Black) Tamron AF-70-300mm f/4-5.6 Di LD Macro 1:2 Zoom Lens for Canon Digital SLR Camera (A17E). Product Features:Compatible with Canon EF camera models. Focal length of 70-300mm and maximum aperture of F4.0-5.6. 9 diaphragm blade number, 9 groups, 13 elements lens construction. Picture takers eager to bring distant sports or wildlife subjects closer, as well as bringing tiny, close range subjects into clear focus will appreciate the standout macro function. Available at focal lengths between 180 and 300mm. Comes with 0.95mt filter and no image stabilization. Note: The 70-300mm is available with a built-in motor for the Nikon D40, D40X and D60 (Model A17NII) from aproximately February 2008. The A17N model which had been available up until February 2008 is only compatible with the D40/D40X/D60 in the MF mode due to the fact it doesn´t have a built-in motor