Blackmagic Design BMD-CINEURSABMNTEF Lens Mount for URSA Cine (EF)

Optimized EF Lens Integration for URSA Cine Cameras
The Blackmagic URSA Cine Mount EF is a professional lens mount solution that allows filmmakers to use their EF-mount cinema lenses with the URSA Cine 12K LF digital film camera. Designed for precision and ease of use, this interchangeable mount connects securely to the camera body, ensuring solid mechanical stability for high-end production environments. Whether you're transitioning from DSLR setups or building a hybrid system, this mount provides a direct path to leverage existing EF lens investments.

Designed for Seamless Compatibility
The EF Mount is engineered to interface flawlessly with the URSA Cine's proprietary lens mount system. Installation is straightforward and tool-assisted, making it a fast swap in multi-lens workflows. Once mounted, the EF adapter provides full manual iris control for compatible lenses and integrates with the camera's firmware for accurate metadata transmission, including lens model, focal length, and aperture.

Ideal for High-End Production Environments
Built to handle the demands of commercial cinematography and on-location shooting, this EF mount is made from high-precision machined metal for robust, long-term use. It supports large-format sensors and is especially suited for high-resolution projects using Blackmagic RAW in 8K and 12K capture. The durable design minimizes flex and maintains critical back-focus tolerance even under rigorous operating conditions.

Maximize Lens Versatility with Blackmagic Cameras
By offering support for the widespread EF lens ecosystem, this mount greatly expands creative lens options for URSA Cine operators. It’s a smart choice for production companies and cinematographers looking to unify their lens inventory across multiple camera systems. The mount also enables the use of specialty EF glass, such as tilt-shift or macro lenses, further enhancing visual storytelling options.

Quick Swapping and Modular System Design
The URSA Cine system is designed with modularity in mind, and this EF mount reflects that philosophy. Lens swaps can be performed in the field with minimal downtime, helping you maintain momentum during tight shooting schedules. With the ability to swap between PL, EF, and other lens mounts, the system remains adaptable to any shoot or director’s visual requirements.