The 300mm f/5.6 telephoto lens is part of Mamiya's world-class lens technology. This lens features multicoated precision mount, natural contrast, high resolution, vivid color saturation, and clear definition. It also houses micromotors that permits shutter cocking when used with the Power Drive Grip II. This lens, along with Mamiya line of lenses, offer maximum performance with quality control at each stage. It features six elements in five groups lens construction, built-in shutters (1/30 to 1/500 sec shutter speeds), 58mm filter thread and 4 meters close focusing distance. This lens operates exceptionally well at all aperture settings. Ideal for landscape, photojournalism, sports and other types of photography.