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Metabones MB_SPEF-m43-BT8 EF Lens to BMPCC4K T Speed Booster ULTRA 0.71x

code: MB_SPEF-m43-BT8
  • £511.49
Status | Usually dispatched within 24 hours
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Features:
Optical

  • Canon EF mount lens to Blackmagic Design cameras with M43 mount, specific for BMPCC4K.
  • Increase maximum aperture by 1-stop. (with a maximum output aperture of f/0.9).
  • Increase MTF.
  • Makes lens 0.71x wider.
  • Patented 6-element/4-group optical design by Caldwell Photographic in the USA.

Electronic

  • Lens iris/aperture is set by the controls on the camera body.
  • Smooth iris support with the latest Canon (2009+), Tamron (SP series 2013+) and Sigma (2016+) lens models.
  • Image stabilization (IS) lens support.
  • Push autofocus if supported by camera.
  • Cinema EOS lens support (CN-E 18-80mm T4.4 L), including AF (requires external 5V power via micro USB port), auto iris and servo zoom.
  • Powered by camera body. With most lenses, no external power source required.

Mechanical

  • Flocking to reduce internal reflection.
  • Rubber gasket protects M43 mount connection from dust and moisture.
  • Aluminum alloy and brass construction with chromium plating.
  • Satin surface finish.
  • Detachable tripod foot compatible with Arca Swiss Style ball head, such as Markins and Photo Clam or attach to quick release plate by a 1/4"-20 screw. 
  • The tripod foot is tailor-made to match the exact height as the BMPCC4K camera body.

Metabones MB_SPEF-m43-BT8 (MB_SPEF/m43/BT8, MB_SPEF_m43_BT8, MB_SPEF-m43/BT8, mb_spef-m43-bt8) EF Lens to BMPCC4K T Speed Booster ULTRA 0.71x

The T Speed Booster ULTRA 0.71x Adapter for Canon EF Lens to BMPCC 4K from Metabones allows a full-frame Canon EF-mount lens to be mounted onto a Blackmagic Design Pocket Cinema Camera 4K MFT-mount camera. While doing so, the adapter's optics help to maximize the connected lens's apparent angle of view while providing a 1-stop increase for the camera over the lens's aperture range. This 0.71x adapter features Cinema EOS lens support for auto iris and servo zoom, and it also includes AF (autofocus) support which requires external 5V power via the micro-USB port.

If a lens intended for 35mm film or similarly sized full-frame camera sensors is connected to a camera with a Micro Four Thirds-sized sensor, it would project an image larger than the Micro Four Thirds sensor was built to accept. Able to capture only the center portion of the projected image, the effective angle of view of the lens would be narrowed, creating an in-camera "crop factor." The T Speed Booster ULTRA 0.71x adapter condenses the light from a lens designed for 35mm film or "full-frame" camera sensors and projects it onto a Micro Four Thirds sensor. This allows the Blackmagic Pocket Cinema Camera 4K with a Micro Four Thirds sensor to utilize more of the light gathered by a connected lens, which effectively reduces the crop factor while making available to the sensor an additional 1-stop of light for each of the lens's f/stop settings.

This adapter is constructed from aluminum for durability while minimizing weight and its mounting rings are made with brass to further prevent wear and tear. The internal lens elements are designed to provide optical clarity as well as color fidelity, and a detachable tripod foot is included and features 1/4"-20 threads as well as compatibility with Arca-Swiss tripod heads.

The T Speed Booster ULTRA 0.71x adapter supports electronic communication between an attached camera and lens. If the lens includes autofocus, image stabilization, and camera-controlled aperture functions, this adapter is intended to allow those features to be used. Also, if an attached lens is capable of generating EXIF metadata when used with a directly compatible camera, the T Speed Booster ULTRA 0.71x adapter is designed to allow that information to be saved along with image files generated with a combination of the lens, a BMPCC 4K camera, and the adapter.

Adapter

  • Camera Mount: Micro Four Thirds
  • Lens Mount: Canon EF
  • Magnification: 0.71x
  • Optical Design: 6 Elements in 4 Groups

Physical

  • Material: Aluminum, Brass
  • Tripod Mounting Thread: 1/4"-20 Female
  • Dimensions: H: 2.8D: 1.8" / H: 70.0D: 45.0 mm
  • Weight: 10.58 oz / 300 g

In the Box

  • Metabones T Speed Booster ULTRA 0.71x Adapter for Canon EF Lens to BMPCC 4K Camera
  • Front Cap
  • Rear Cap
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