The 55mm f/2.8 wide angle 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 eight elements in six groups lens construction, 58mm filter thread and 1.5 feet close focusing distance. This lens operates exceptionally well at all aperture settings. Its fast aperture is suitable for low light conditions. Compatible with Mamiya 645 cameras.