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SKU: BMD-CINEURSAMUPROTPL

Blackmagic Design BMD-CINEURSAMUPROTPL URSA Mini Pro PL Mount

$289.00

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Description

The URSA Mini Pro PL Mount from Blackmagic Design is a replacement mount for use on the URSA Mini Pro that enables you to mount PL lenses on your camera. The PL mount incorporates electronic contacts compatible with the Cooke i/Technology protocol, which allows lens information to be saved as metadata. The included shim kit enables precise flange-distance adjustment when installing this mount on your camera. Read more

Features

  • For Lenses with PL Mount
  • Cooke i/Technology Compatible Pins
  • Includes Shim Kit

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The URSA Mini Pro PL Mount from Blackmagic Design is a replacement mount for use on the URSA Mini Pro that enables you to mount PL lenses on your camera. The PL mount incorporates electronic contacts compatible with the Cooke i/Technology protocol, which allows lens information to be saved as metadata. The included shim kit enables precise flange-distance adjustment when installing this mount on your camera. Read more

Features

  • For Lenses with PL Mount
  • Cooke i/Technology Compatible Pins
  • Includes Shim Kit

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About the Blackmagic Design BMD-CINEURSAMUPROTPL URSA Mini Pro PL Mount

The Blackmagic Design URSA Mini Pro PL Mount is an interchangeable lens mount accessory for the URSA Mini Pro 4.6K, 4.6K G2, and 12K cameras. It allows filmmakers to use professional PL-mount cine lenses with these camera bodies. The PL mount is the industry-standard lens mount for high-end cinema cameras, known for its robust, positive locking mechanism and its ability to support heavy, large-diameter lenses with precise flange focal distance for consistent focus. By installing this mount, users gain access to a vast ecosystem of cinema lenses from manufacturers like ARRI, Zeiss, Cooke, and Angenieux, which are prized for their optical quality, character, and precise manual control (geared focus/iris rings).

The mount is engineered as a direct replacement for the camera's default EF or other mounts. It features a secure, positive lock mechanism with a lever to firmly engage the lens, ensuring no play or movement that could affect focus. The mount is constructed from high-grade metal to withstand the weight of large PL lenses and maintain precise alignment. Importantly, this is a passive mechanical mount—it does not provide electronic communication for autofocus or electronic iris control. Focus, aperture, and zoom must be controlled manually on the lens itself, which is the standard practice in professional cinema production. This mount is essential for cinematographers who own or rent PL-mount lenses and need the optical performance and manual control they provide for narrative films, commercials, and high-end video production.

Key Features

  • For Lenses with PL Mount
  • Cooke i/Technology Compatible Pins
  • Includes Shim Kit

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Blackmagic Design BMD-CINEURSAMUPROTPL URSA Mini Pro PL Mount Specs

Compatibility
Compatible Cameras
URSA Mini Pro 4.6K, URSA Mini Pro 4.6K G2, URSA Mini Pro 12K.
Replaces
The camera's factory-installed lens mount (e.g., EF mount).
Mount Specifications
Mount Type
PL Mount (Positive Lock).
Locking Mechanism
Lever-actuated positive lock for secure lens attachment.
Flange Focal Distance
Precisely machined to PL standard (52.00mm).
Communication
Passive / Mechanical Only. No electronic contacts for autofocus, aperture control, or lens data. Focus and iris are manually controlled on the lens.
Construction
Material
High-grade metal (typically aluminum or steel alloy).
Build
Precision machined for exact fit and alignment.
Weight
Adds minimal weight to the camera body.
Installation
Installation
User-installable. Requires removing the existing mount (often with provided tools) and attaching the PL mount with screws.

Key Features

  • For Lenses with PL Mount
  • Cooke i/Technology Compatible Pins
  • Includes Shim Kit

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Click here to sell your item

FAQs about Blackmagic Design BMD-CINEURSAMUPROTPL URSA Mini Pro PL Mount

What is the Blackmagic URSA Mini Pro PL Mount?

It is an interchangeable lens mount that replaces the standard EF mount on URSA Mini Pro cameras with a professional positive-locking PL (Positive Lock) cinema mount. It enables the use of high-end professional cinema lenses from manufacturers like ARRI, Zeiss, Cooke, and Angénieux.

Which cameras are compatible with this mount?

It is compatible with all URSA Mini Pro models, including the URSA Mini Pro 4.6K G1, URSA Mini Pro 4.6K G2, and URSA Mini Pro 12K. Note that it does not fit the original, non-Pro URSA Mini cameras, which feature fixed, non-interchangeable lens mounts.

Does the mount support electronic lens metadata communication?

Yes, it features integrated electronic contact pins compatible with the Cooke /i Technology protocol. This allows the camera to record lens metadata such as focal length, aperture, focus distance, and depth-of-field directly into the video files.

Can this mount power broadcast servo zoom lenses?

While the internal electronic contacts pass lens data, broadcast-style cine-servo lenses requiring 12V power must be connected via the 12-pin Hirose lens control connector located on the front of the camera body. When connected, the camera can power and control zoom, iris, and focus servos.

What is included in the PL mount kit?

The kit includes the precision-machined PL mount, a protective PL dust cap, a full shim set of various thicknesses, mounting screws, and an installation tool. Everything required to swap the mount and calibrate back focus is provided in the box.

Why are shims included with the mount?

Shims allow you to adjust the flange focal distance (back focus) between the lens mount and the camera sensor. Calibrating with shims ensures that witness marks on cinema lenses are completely accurate and that zoom lenses remain in focus throughout their entire zoom range.

Can users install the PL mount themselves?

Yes, the mount is designed for fast, user-level installation in the field or studio using standard screws. Simply remove the existing mount screws, swap the mounts (adding or removing shims as required), and secure the new mount back into the camera body.

Does swapping to the PL mount expose the camera sensor to dust?

The URSA Mini Pro features a sealed infrared cut / optical low-pass filter assembly directly behind the mount that shields the sensor. However, performing the swap in a clean, dust-free environment is always recommended to avoid trapping debris inside the cavity.

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