Sometimes you need more than a simple adapter to mount a lens onto a camera - you need real power. Seize control over the electronic features of your lenses with a FUSION lens adapter. The FUSION technology built into the adapter enables electronic communication between mixed lens and camera platforms. This FUSION adapter enable aperture control and more. Although the adapter will allow you to mount any Mamiya7 lens, not all lenses will perform the same. Lens age and condition of lens will all affect the speed, reliability and accuracy of the adapter. We recommend testing individual lenses in your setup before critical shoots. Fotodiox's Fusion line of adapters now include a micro USB port to allow for firmware updates providing a nearly future proof solution for users by including new lenses and fixing possible bugs through firmware updates. For firmware updates and directions, please see the firmware update article for this adapter in the Fotodiox technical suppport knowledge base. Fotodiox employs Professional Photographers in every aspect of development and design to create products that are built to last. The Pro line of adapters is crafted to withstand the rigors and demands of the professional photographer. Fotodiox Pro adapters feature all-metal, no plastic construction to create a secure connection between your glass and camera that will not degrade over time, keeping the lens-camera connection secure with every use. We use chrome plated brass mounts for enhanced durability and reliability Notes: Switching between image and video may cause camera to freeze. Switching f-stops in video mode may cause white flashes in video. Certain video modes may cause the camera to freeze. All pictures are for illustration purposes only. Actual product may vary slightly due to ongoing improvements in design.