The Sigma 35mm f/1.4 DG HSM Art is a very bright wide -angle lens produced since 2013 and compatible with different types of attacks as well as those of the Sigma. The technical characteristics are found: 35 millimeters focal with a field angle of 63.5 degrees, maximum opening of the F71.4 diaphragm. The product features 13 lenses divided into 11 groups and 9 diaphragm blades. Focus takes place at a minimum distance of 30 centimeters with a playback ratio of 0.19x. For focus, an AF to Ultrasonic Ring-UMM AF engine is used, it is present internal AF and Full Time MF. From the point of view of functionality in the lens it is not presented the stabilization of the image, tropicalization. From a constructive point of view, however, the absence of the tripod ring is found and the non -compatibility with the multipliers while the hint is supplied. The specific weight of the product is 665 grams. Despite the large opening that can be achieved with this lens, the axial chromatic aberrations and also the distortions and the blur effect are optimal for artistic shots of high visual impact are reduced to a minimum. The product was made with resistant and durable materials for which it is possible to take photos even in difficult snap situations. Ideal for: the Sigma 35mm f/1.4 DG HSM Art lens, thanks to the very large opening, allows you to create artistic photos of great effect with a refined and creative blur. The lens is therefore suitable for professional photographers and for advanced levels that need a product capable of optimally grasping every single detail.