The Tamron AF 55-200mm f/4-5.6 Di-II LD is a high power zoom lens designed exclusively for digital SLR cameras using the more compact (APS-C) digital size image sensors. The focal length of this lens is equivalent to approx. 88-320mm in 35mm format. This compact, lightweight 55-200mm telephoto zoom lens is the ideal "second lens" in a complete lightweight digital camera lens system. The 55-200mm zoom lens realizes an MFD (Minimum Focus Distance) of 3.1 ft. (0.95 m) over the entire zoom range, the top level of the closest focusing distance among tele-zoom lenses. Since the maximum magnification ratio at f=200mm is 1:3.5, you can enjoy easy and convenient close-up photography.