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Blackmagic URSA Mini Pro EF Mount

Blackmagic URSA Mini Pro EF Mount

Rental Price: $ 20.00/day

Popular and Flexible: Compatible with the widest range of Canon EF and EF-S lenses on the market.

Electronic Control: Allows remote adjustment of Iris (aperture) and Focus via physical controls on the camera or the touchscreen.

Quick-Swap Design: The mount is designed for fast replacement (Quick-Locking Mount) with other optional mounts such as PL, F, or B4 directly on set.

Digital Connectivity: Transmits lens metadata (such as focal length, aperture) back to the camera for recording in Blackmagic RAW or ProRes files.

Durable Material: Constructed from sturdy alloy to ensure precision and durability when mounting heavy lenses.

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Description

The Blackmagic URSA Mini Pro EF Mount is a replacement/interchangeable lens mount designed for the Blackmagic URSA Mini Pro camera platform. It allows the camera to use a wide range of Canon EF-mount photographic and cinema lenses, making the URSA Mini Pro a flexible option for productions that already have an EF lens inventory.

The EF mount is especially useful for productions using Canon EF lenses, Sigma EF lenses, Zeiss EF lenses, and other compatible third-party EF-mount optics.

For the URSA Mini Pro 4.6K G2, the EF mount is the standard mount originally supplied with the camera and can be exchanged for the optional PL, B4, or F mounts.

Key Features

  • Genuine Blackmagic Design EF lens mount
  • Designed for Blackmagic URSA Mini Pro cameras
  • Compatible with Canon EF-mount lenses
  • Electronic lens communication through EF mount contacts
  • Supports electronic iris control with compatible EF lenses
  • Maintains the URSA Mini Pro’s interchangeable lens-mount system
  • Precision-machined camera mount
  • Includes shim set for flange-focal-distance adjustment
  • Compact replacement/accessory mount
  • Ideal for productions with existing EF lens collections

EF Lens Compatibility

The EF mount opens the URSA Mini Pro to a large selection of photographic and cinema lenses.

Compatible lenses can include:

  • Canon EF lenses
  • Canon EF L-series lenses
  • Sigma EF lenses
  • Zeiss EF lenses
  • Tokina EF lenses
  • Rokinon/Samyang EF lenses
  • Other compatible Canon EF-mount lenses

This makes the mount particularly useful for productions that already own or rent Canon EF lenses.

For example, KR Camera Rental’s Canon EF 70–200mm f/2.8L IS USM and Canon EF 16–35mm f/2.8L III USM can be paired with an EF-equipped URSA Mini Pro for a flexible cinema/photographic lens package.

Electronic Lens Control

The EF mount provides electronic communication between compatible EF lenses and the URSA Mini Pro.

With supported electronic lenses, the camera can provide:

  • Electronic iris control
  • Lens information
  • Automatic exposure functions where supported
  • Autofocus functions where supported
  • Lens metadata where supported

Blackmagic specifically lists electronic control via EF mount pins for the URSA Mini Pro 4.6K G2.

The exact functionality depends on the individual EF lens.

Ideal Applications

The URSA Mini Pro EF Mount is well suited for:

  • Narrative filmmaking
  • Commercial production
  • Corporate videos
  • Music videos
  • Interviews
  • Documentary production
  • Wedding filmmaking
  • YouTube production
  • Independent filmmaking
  • Event production
  • Short films
  • Run-and-gun production

The EF ecosystem is particularly useful when a production needs access to a large selection of affordable lenses with different focal lengths.

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