Complete Sigma Lens Kit Feauturing A Sigma 10-20mm f/4-5.6D EX DC Lens for Sony A. LENS FEATURES: Sigma 10-20mm f/4-5.6D EX DC Lens. 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. COMPATIBLE DIGITAL CAMERAS: ?77 II, ?58, ?37, ?57, ?65, ?55, ?580, 0