Metabones MB_SPEF-E-BT3 Canon EF to Emount T CINE Speed Booster ULTRA 0.71x (Black Matt)

Metabones MB_SPEF-E-BT3 (MB_SPEF_E_BT3, MB/SPEF/E/BT3, MB SPEF E BT3) Canon EF to Emount T CINE Speed Booster ULTRA 0.71x (Black Matt)

Realize the full potential of your full-frame Canon EF-mount glass on your APS-C and Super35 format Sony E-mount cameras with this Metabones EF to E Mount T CINE Speed Booster ULTRA 0.71x. Utilizing advanced optics, this adapter will increase the apparent angle of view of your full-frame lens by 0.71x, effectively combating the crop factor of an APS-C camera. This also increases the apparent sharpness of your image while also increasing the maximum aperture by 1 stop, making your full-frame lens look as if it were mounted on a full-frame camera.

This cinema-styled electronic adapter features a positive-lock lens mount that will ensure that your adapted lenses are secure. 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 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 as well 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.

• 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 that increases the angle of view of a full-frame lens by 0.71x and increases the maximum aperture by 1 stop. This effectively compensates for the 1.5x crop factor of APS-C cameras and provides an image similar to that of a full-frame lens on a full-frame camera.
• Positive-lock lens mount provides extra security when attaching large lenses.
• 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 (FS7 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.

Adapter

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

Physical

• Dimensions: H: 3.6 x W: 3.5 x D: 1.0" / H: 9.1 x W: 8.8 x D: 2.7 cm
• Weight: 8.5 oz / 242 g

In the box

• MB_SPEF-E-BT3 Canon EF to Emount T CINE Speed Booster ULTRA 0.71x (Black Matt)