Over the years, the legendary Carl Zeiss optics in Contax 645 Mount have been revered for their exceptional quality and performance. Now, with the Metabones Contax 645 Lens to Fujifilm Gfx Smart Adapter, photographers can seamlessly transition these iconic lenses to modern mirrorless camera systems. This adapter, along with the Metabones Contax 645 to Sony E-Mount Smart Adapter, offers a reliable migration path, allowing users to experience the ergonomic feel of the original Contax 645 camera. By utilizing the lens' own aperture ring, photographers can effortlessly switch between aperture priority and manual exposure modes, while also having the option for fully automatic exposure and shutter priority modes.The Metabones Smart Adapter for Sony E-Mount includes a customizable button, which can be programmed to perform over 50 different functions on compatible Sony cameras, such as depth-of-field preview, enhancing the shooting experience.