Sigma 35mm f/1.4 DG HSM Art Lens for Nikon F 340306 B&H Photo
Sigma 35mm Art @ f/1.4 on the Nikon D810 (very, very short review). – Prosophos
review: Sigma 35mm f/1.4 DG HSM lens
Amazon.com : Sigma 35mm F1.4 Art DG HSM Lens for Nikon DSLR Cameras + Sigma USB Dock with Altura Photo Essential Accessory and Travel Bundle : Electronics