The tamron 85mm f18 sp di vc usd lens with canon fit is the worlds first full frame 85mm fast aperture lens with image stabilisation as of feb 2016 designed for portraiture this medium telephoto lens delivers edge to edge sharpness and superior low light performance thanks to its fast f18 aperture and vibration compensation vc system it also features tamrons new stylish sp design with moisture resistant construction together with ld low dispersion and xld extra low dispersion gl