This lens I use the Nikon D300S and D5200 of. The results are simply sensational. Focus and Auto Focus earn top marks. Slight distortions in 8 to 10 mm range are not to be overlooked and not to prevent in such focal lengths. Therefore, they avoid that people are at the edges. Unless they want to represent them aware of "abstract". The weight of the lens is impressive, all the processing makes a high quality impression. Many previous speakers have described this lens very carefully, so I will spare me reps, but lock myself without reservation to the positive reviews on. Whether for landscapes or cityscapes whether Reiseimpressionen or in sports, I use this lens with the greatest pleasure. To shoot expressive sports photos, you must be very close to the athletes ran already. Spoken almost literally you could even talk about first hand. Therefore, the Sigma is obviously not suitable for all sports. An example from my last application for a 10,000 m run at the stadium. Overall, the runners came to the stadium 25 rounds often enough past me to really inject me. At the end created photos that were absolutely worth seeing. Boring representations and perspectives they can avoid with this lens. If they are willing to break new ground and can use a "creative push", then they resort to. You will have a lot of fun with this lens. Sigma offers a warranty extension from 12 to 36 months. Within the first eight weeks from the date of purchase of this extension can be requested by mail or unbureaucratic online. The daily rate is likely to currently be between 650 to 700 euros. Slaughtering your piggy bank and buy the Sigma 8-16 mm. Lenses Reviews you can read elsewhere. This was not an objective assessment, but my personal impression. The maximum number of points I forgive with a clear conscience.