The tokina 11 16mm f28 at x pro dx video lens is a wide angle zoom designed specifically for users looking to shoot video with a dslr lightweight and compact the lens comes equipped with a manual focusing ring and an interlocking follow focus gear to allow use with a cinema follow focus system although mainly designed for video the lens can also be used for taking stills in both mf and af by simply sliding the focusing ring forward and back on the lens barrel this lens features a canon fit