The Sigma AF 85mm f/1.4 DG DN Art is a technologically advanced telephoto lens featuring a Sony E-mount. It is a lighter and more compact solution compared to the previous Sigma 85mm f/1.4 DG HSM Art model. The lens boasts an optical construction of 15 elements in 11 groups, a stepping motor for autofocus, and supports both manual and automatic focusing. Additionally, it has a 77mm filter thread. Weighing 630 grams and measuring 94x83 mm, the Sigma AF 85mm f/1.4 DG DN Art offers a fixed focal length of 85mm with a minimum focusing distance of 0.85 meters and a maximum aperture of f/1.4 with an 11-blade diaphragm.