The Canon TS-E 90mm f/2.8 is a real unique piece that has remained on the market for almost 30 years, from 1991 to 2017, thanks to its exceptional performance; We are faced with a product that is ideal for cameras in full frame and APS-C format and which is characterized by focusing via Manual Focus and the absence of image stabilization. Built with solid and quality materials, it offers good resistance even if it is slightly cumbersome and heavy especially if it is used for a prolonged period of time. As for the performance, we are faced with one of the lenses that, in spite of his age, of remarkable performances. In fact, even with the fully open diaphragm, there is no distortion, the contrast remains quite high, also allowing you to have a focus from a minimum distance without fear of shell. By virtue of these characteristics, it is also possible to use some accessories such as additional extension pipes, being able to use it as a large lens. Ultimately, we can consider it as a device of excellent workmanship that guarantees higher performance to the average and that should never be missing in the range of accessories of a professional photographer. Excellent relationship between quality and price.