This Samyang/Rokinon 12mm f2.0 lens is a great addition to your Fujifilm XF camera. With a maximum aperture of f/2.0, it allows for great low-light performance and beautiful bokeh. The lens is compatible with the Fujifilm X mount and has a manual focus feature. The lens is made of aluminum and has a wide-angle type with a focal length of 12mm. It also has a compatible lens front of 67mm and a maximum filter size of 67mm.