Sigma 85mm f/1.4 DG HSM Art is a lens with a clear and surprising sharpness of the image, the best 85 mm that has beaten all the standards of the same length. With a focal length of 136 mm and an opening of f/2.2, the Sigma is excellent for using by applying it to an APS-C camera. Set with a slightly longer focal length, it finds its ideal application adapting to the focal range that is usually used by portrait photographers. The rapid opening allows use even in low brightness conditions. Sigma's Art range is synonymous with high quality and great brightness. The lens responds perfectly to this description. It should be taken into account that the lens is quite bulky and heavy is certainly not a light and small, this feature cannot be avoided if you want to build a lens that is perfect and performing even applying it on modern cameras with over 40 mp. It is necessary that it is composed of a lot of glass and in this 85 mm there is a lot. The Sigma 85 mm proves to be an excellent choice also at an economic level but this is not the main reason why buying this art art lens. If you look for the quality to create perfect portraits then this is the top among the objectives of this category . An exceptional tool for creating portraits with an excellent bokeh. The weight of the lens is about 1140 grams, it is therefore not suitable for street photography or action shooters. The Sigma is equipped with asion that avoids flashes in the presence of excessive brightness. Ideal for : Sigma 85mm f/1.4 DG HSM Art is perfect for photographers portraitrs professional or semi -professional advanced level, to be used preferably on a tripod.