Mamiya 180mm f/4.5 telephoto lens delivers high resolution, unparalleled contrast and superb color balance. Mamiya lenses are controlled at all stages and houses multi-coating process increasing the light transmission, minimizing flare, and promises sharp, clean images. This lens features four elements in three groups, 28° viewing angle, 3.64-feet minimum focusing distance and 77mm filter thread. It also houses, Seiko #1 Leaf Shutter with shutter speeds 1/400 to 8 second. This lens is compatible with Mamiya RZ67 cameras. This lens is suitable for telephotography, landscape, sports, nature and fashion photography.