Sigma Art 24-70mm 2.8 for Sony

Highlights e-mount lens/full-frame format aperture range: f rounded 11-blade diaphragm features positioned as a workhorse lens among sony e-mount full-frame mirrorless systems, the sigma 24-70mm f/2.8 dg dn art is a versatile wide-angle to portrait-length zoom characterized by its f/2.8 constant maximum aperture. the bright design suits working in available lighting conditions and also affords increased control over depth of field. the optical design incorporates a series of low dispersion and aspherical elements that greatly reduce a variety of aberrations in order to achieve high sharpness, enhanced clarity, and improved color accuracy. both super multi-layer and nano porous coatings have also been applied to improve contrast and color rendering by suppressing lens flare and ghosting when working in strong lighting conditions.