Sigma - 28-70mm f/2.8 DG DN Contemporary Lens for Sony E

The 28-70Mm F/2.8 Dg Dn Contemporary Lens For Sony E-Mount From Sigma Is A Versatile Wide-Angle To Portrait-Length Zoom Characterized By Its F/2.8 Constant Maximum Aperture. The Design Suits Working In Available Lighting Conditions While Affording Increased Control Over Depth Of Field. More Lightweight And Compact Than Similar 24-70Mm Lenses, It'S Optical Design Incorporates Two Fld And Two Sld Low-Dispersion Elements Plus Three Aspherical Elements That Reduce A Variety Of Aberrations To Achieve High Sharpness, Enhanced Clarity, And Improved Color Accuracy. It Features Just One Lightweight Focusing Element, Which Keeps The Af Unit Small. This, Along With A Quiet And Fast Stepping Motor, Makes For Responsive And Near-Silent Autofocus Performance, An Ideal Combination For Filmmakers Looking For A High-Performance, Lightweight, And Easy-To-Handle Camera System That Works Well With A Gimbal Or Other Accessories.