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SKU
71716
MPN
MB_SPEF-E-BT4
UPC
4897050182222

Metabones Canon EF to Sony E-Mount T Speed Booster ULTRA II 0.71x (Fifth Generation)

Questions about this product?
  • Canon EF Lens to Sony E-Mount Body
  • Increases Angle of View by 0.71x
  • Increases Maximum Aperture by 1 Stop
  • Switch for In-Body Image Stabilization
  • Smooth Iris with Select Adapted Lenses
  • Support for Phase & Contrast-Detect AF
  • Programmable Fn Button; Status LED Light
  • Transfers EXIF Data to Camera
  • Weather-Resistant Rubber Mount Gasket
  • Compatible with Sony PXW-FS7 Mark II

The Metabones Canon EF to Sony E-Mount T Speed Booster ULTRA II 0.71x (Fifth Generation) is ideal to have if you are looking to reach your full-fram Canon EF-Mount glass's full potential with your APS-C and Super35 format Sony-Mount cameras. This Metabones T Speed Booster will increase the apparent angle of view of your full-frame lens by 0.71x by using advanced optics, whcih effectively combats the crop factor of an APS-C camera. The Metabones T Speed Booster ULTRA II 0.71x is also capable of increasing the apparent sharpness of your image, as well as increasing the maximum aperture by 1 stop. This makes your full-frame lens look as if it were mounted on a full-frame camera. 

Further improving on previous generations of Smart Adapters, this fifth-generation model now features a rubber gasket to protect the camera's mount from dust and moisture, offers a status notification LED light to check operation modes, and provides a dedicated switch that controls in-body image stabilization of select cameras. Also, this version is compatible with the Sony PXW-FS7 Mark II video camera.

This adapter is equipped with numerous capabilities thanks to the use of a high-performance 32-bit processor. The features include support for both phase-detect and contrast-detect AF systems, as well as the ability to control the aperture from the camera body. Smooth iris effects are possible on select lenses, and 5-axis stabilization is available thanks to communication of distance information with supported lenses. Also, it features a programmable function button, enables electronic (focus-by-wire) manual focusing, transmits EXIF data to the camera, and works with in-lens image stabilization. Additionally, distance and zoom is displayed on certain camcorders and mirrorless cameras, auto magnify can be enabled, and it can automatically switch into APS-C mode, depending on the lens used.

Beyond electronic communication, the adapter has many physical advantages as well, such as a black felt flocking on the inside of the adapter that prevents reflections. For larger lenses, there is a removable Arca-type compatible tripod foot with a 1/4"-20 thread on the base.

Key Features

  • Allows users to adapt a full-frame Canon EF-Mount lens to an APS-C/Super35 Sony E-Mount camera, or a full-frame camera in APS-C mode.
  • Advanced 5-element in 4-group optical construction uses ultra-high index tantalum-based glass, increasing the angle of view of a full-frame lens by 0.71x, and the maximum aperture by one stop. This effectively compensates for the 1.5x crop factor of APS-C cameras and provides an image like that of a full-frame lens on a full-frame camera.
  • Electronic contacts permit transmission of data between the lens and camera enabling autofocus, auto exposure, image stabilization, aperture control from the camera body, saving EXIF information, and more.
  • Status notification LED light on the adapter will show the user what mode the adapter is currently in.
  • Dedicated switch for controlling in-body image stabilization.
  • Programmable function button for rapid access to commonly used settings and features.
  • Support for phase-detect AF with the a7R II, a7 II, a6500, and a6300 cameras.
  • Compatible with Sony PXW-FS7M2 (Mark II) camera.
  • Smooth iris support with select Canon (2009 and later), Tamron (SP series 2013 and later), and Sigma (2016 and later) lenses.
  • Enables electronic manual focusing on lenses, such as the Canon EF 85mm f/1.2L II, that use a focus-by-wire system.
  • Support for distance and zoom display, auto magnify, and auto APS-C Size Capture settings on select cameras.
  • Internal felt flocking prevents reflections.
  • Removable Arca-type compatible tripod foot with 1/4"-20 thread.
  • Powered by camera body.
In the Box
  • Metabones Canon EF to Sony E-Mount T Speed Booster ULTRA II 0.71x (Fifth Generation)
  • Front Cap
  • Rear Cap
  • Tripod Foot Hex Key
  • Limited 1-Year Warranty
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More Information
SKU 71716
Brands Metabones
MPN MB_SPEF-E-BT4
UPC 4897050182222
Specifications

Adapter

Camera Mount Sony E (APS-C)
Lens Mount Canon EF
Magnification 0.71x
Optical Design 5 Elements in 4 Groups

Packaging Info

Package Weight 0.8 lb
Box Dimensions (LxWxH) 4.3 x 4.2 x 2.4"
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov
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