28 to 300mm Di high-power zoom lens. 0.7x zoom that, when used on an APS-C digital SLR, renders a picture angle range equivalent to a 43 to 465mm lens on a full-frame DSLR or a 35mm film SLR. It is Di lens properties allow it to function on full-frame and APS-C digital SLRs, as well as 35mm film SLRs. Engineered for extreme compactness, award-winning image quality is optimized through use of a combination of XR (extra refractive index) and LD glass. Internal focusing contributes to responsiveness and maintains constant lens barrel length and Macro focusing brings small subjects into view crisply. Model A020 available with Tamron VC (vibration compensation) image stabilization technology.