Blackmagic Design URSA Mini Pro EF Mount. The URSA Mini Pro EF Mount from Blackmagic Design is a replacement mount for use on the URSA Mini Pro and is available as a spare mount, as the URSA Mini Pro comes with an EF mount installed. The mount incorporates the electronic connections that allow the lens to work with the camera.

The included set of shims enables precise flange-distance adjustment when installing this mount on your camera..

• For Lenses with Canon EF Mount
• Maintains Electronic Connection
• Includes Shim Set