Blackmagic Design URSA Mini Pro F Mount

Blackmagic Design URSA Mini Pro F Mount

The Blackmagic Design URSA Mini Pro F Mount is a precision-engineered lens mount that allows you to adapt your URSA Mini Pro (4.6K, G2, or 12K) to use classic and modern Nikon F-mount lenses. While most cinema cameras default to PL or EF, the F-mount adapter is a favorite for cinematographers who want to utilize the unique character, vintage aesthetic, or cost-effectiveness of Nikon's photographic glass.

Core Functionality

• Mechanical Iris Control: Unlike the EF mount, which uses electronic signals to adjust the aperture, the F-mount features a high-precision mechanical iris ring. This allows you to manually adjust the aperture on Nikon G-series and AF-S lenses that do not have a physical aperture ring on the lens barrel.

• Support for AF-S, AF-D, and G Lenses: The mount is designed to accommodate a wide variety of Nikon glass, from modern "G" lenses to older "D" series optics.

• Flange Focal Distance Precision: Like the PL mount, this kit includes a Shim Kit. This is essential for Nikon lenses, which often have very specific back-focus requirements. Shimming ensures that the focus markings on your lens align perfectly with the actual focus on the sensor.

Why Choose F-Mount?

• Unique Optics: Many cinematographers prefer the "Nikon Look"—often described as having a slightly lower contrast and a smoother roll-off compared to modern Canon or Zeiss lenses.

• Vintage Character: It opens up decades of legendary Nikon AI and AI-S manual focus glass, which can provide a beautiful, organic feel for narrative projects.

• Large Lens Library: If you already own a collection of Nikon stills lenses, this mount allows you to move them into a professional 12-bit RAW video workflow without the need for unreliable "dumb" adapters.

Installation & Design

• User-Replaceable: The mount is secured to the camera body using the same four-screw system as the PL and EF mounts. It can be swapped in the field in just a few minutes.

• Chrome-Plated Stainless Steel: Built to be exceptionally durable, the mount can handle the weight of larger Nikon telephoto lenses without bending or causing light leaks.

• Light Baffle Included: Comes with a specialized internal baffle to minimize sensor flare and maintain high contrast in difficult lighting.

Technical Specifications

What’s Included in the Box?

• 1 x URSA Mini Pro F Mount

• 1 x URSA Mini Pro Shim Kit

• 1 x Light Baffle

• 1 x Baffle Tool

• 1 x Set of Mounting Screws

• 1 x Protective Storage Case

Operational Insight (2026)

In 2026, the F-mount is frequently sought out by independent filmmakers shooting on the URSA Mini Pro 12K. Because the 12K sensor is so sharp, pairing it with older, softer Nikon glass can create a more balanced, "film-like" image that isn't overly clinical.

Pro Tip: Note that while the mount provides mechanical iris control, it does not provide autofocus or electronic metadata communication. If you need lens data recorded into your files (like focal length and aperture), you should stick with the EF or PL mounts.