The Sigma Art 85mm f/1.4 DG HSM lens is designed for full-frame Nikon cameras. It has a maximum aperture of f/1.4 and a focal length of 85mm, making it ideal for portrait photography. The lens is made of thermally stable composite material and has a Sigma mount. It supports both auto and manual focus modes and comes with a compatible lens front and filter size of 86mm. The lens is manufactured in Japan and is a part of the Sigma Art series.