Sony 55-200mm f/4-5.6 SAM DT Telephoto Zoom Lens for Sony Alpha Digital SLR Cameras Compatible with 35 mm Full Frame, or APS-C format A-mount cameras. Small size, light weight telephoto zoom lens 35mm focal length equivelant; 82.5-300mm Smooth and silent AF operation with built-in motor (SAM) Closest focus distance: 0.95m; Maximum magnification: 0.29x Please note: DT lenses are not recommended for use with the DSLR-A900