Sony 85mm F2.8 SAM is an Auto Focus (AF) Perspective Control Prime lens with 35mm FF max sensor coverage. When mounted on a 35mm FF sensor camera, it will give you an FF equivalent focal range of 85mm. With a max aperture of f2.8, this is a fast lens.
Sony 85mm F2.8 SAM is not a weather sealed lens, so you have to be extra careful against rain and dust.