10-20mm F 4.5 - 5.6 EX DC For Sony Alpha cameras. OPEN BOX - Lens has always been covered by a 77mm tiffen UV (included) - complete with both caps and lens shade and box/manual The Sony A-mount Sigma 10-20mm f/4-5.6D EX DC Lens lens offers an super-wide zoom solution to Sony Alpha and Minolta AF digital cameras, and was exclusively designed to suit the characteristics of APS-C format digital SLR cameras. The super wide-angle capability of this zoom lens makes it a very powerful tool for both indoor and landscape photography. DC lenses are exclusively designed for digital SLR cameras. The image circle (rear of lens) is made to match the smaller dimensions used for the image sensor on digital cameras. As a result these lenses are also more compact and lightweight, and are better matched to digital SLR cameras. EX lens series denotes excellence of engineering and new technology Correction for various types of aberration provided by three SLD (Special Low Dispersion) glass element and two aspherical lenses Minimum focusing distance of 9.4" (24 cm) at all focal lengths The IF (Internal Focusing) design offers smooth and fast autofocus and non-rotating filter attachment
