Sigma 18-35mm f/1.8 DC HSM Art Lens for Sony Alpha

Description

Aperture Range: f/1.8-16Fast Constant Maximum ApertureDesigned for APS-C-Sized Sensors35mm Equivalent Focal Length: 27-52.5mmHyper Sonic AF MotorInternal Focusing and Zoom DesignFour Aspherical & 5 SLD Glass ElementsSuper Multi-Layer CoatingSony Alpha Lens Mount