The Sigma 24-70mm F2.8 DG DN (A) is a versatile wide-angle to short telephoto zoom lens. The lens features an F/2.8 constant maximum aperture and is a true workhorse for Sony’s full-frame E-mount system cameras. The clear design allows for working in different lighting conditions and also offers greater control over depth of field. The optical design incorporates a range of low dispersion and aspherical elements that significantly reduce aberrations to achieve high sharpness, improved brightness, and improved colour accuracy. Both Super Multi-Layer and NanoPorous Coatings have also been applied to improve contrast and colour reproduction by suppressing lens fidelity and ghosting when working in strong light conditions.