Metabones Speed Booster Micro 4/3 to CANON EF version S
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  • Metabones Speed Booster Micro 4/3 to CANON EF version S
  • Metabones Speed Booster Micro 4/3 to CANON EF version S

Metabones Speed Booster Micro 4/3 to CANON EF version S

The Metabones Speed Booster Micro 4/3 to CANON EF version S, will allow you to connect your canon EF optics to micro four thirds cameras, type PANASONIC GH4 and OMD, you will gain a point of luminosity and you will have a conversion of x0.7

This product is not available, but please contact us and we can offer you other options.

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The CANON EF lens for Micro Four Thirds Speed Booster "S" Version of Metabones is designed to be used in Micro Four Thirds cameras with an "active" mount as opposed to those that have a "passive" mount and is therefore compatible with OLYMPUS OM D cameras, PANASONIC GH4 and the Blackmagic Pocket Cinema camera but not with the 2.5K camera Blackmagic Cinema.

This EF for MFT Speed Booster allows a full frame CANON EF lens to be mounted on a Micro Four Thirds camera mount and in doing so increases the viewing angle of 0.71x and increases the maximum aperture of one f/stop.

When a lens intended for full 35mm frame or film sensors is mounted on a camera with a Micro Four Thirds sensor, it transmits a larger area of light than the smaller sensor was built to accept and thus the effective angle of view of the lens increases. The Speed Booster condenses the light from the lens and projects it onto the MFT sensor allowing you to use all lens's light and effectively reduces the cropping factor of an MFT camera from 2x to 1.07x, producing a full-frame angle of view with an MFT sensor. A corresponding increase in the maximum aperture of one f/stop makes the lens more effective in low-light situations and capable of creating a depth of field.

Automatic exposure information is communicated by the speed booster and controlled from the camera body. Image stabilization in the lenses they provide is supported and EXIF data transferred as well. No external power supply is required as the speed booster is powered by the camera and houses a 32-bit processor.

Speed Metabones Boosters are made of precision machined brass with chrome plating on both the camera body and the lens side of the booster dose in order to ensure smooth mounting, aesthetic quality, and durability. This adapter has a detachable tripod foot that is compatible with the Swiss Ark, Markins and Photo Clam ball joints.

It allows a full frame CANON EF lens to be mounted to select PANASONIC, OLYMPUS or Blackmagic Micro Four Thirds format camera and, in doing so, increases the viewing angle of 0.71x and increases the maximum aperture of one f/stop.
The "S" version of the EF for MFT Speed Booster is designed for Active Mount Micro Four Thirds cameras and is compatible with the OM-D E-M1, E-M5 OLYMPUS and E-M10 cameras, as well as the GH4, GH3, GH2 PANASONIC, GH1 cameras and the Blackmagic Pocket Cinema camera.
Unlike the original EF MFT Speed Booster, the "S" version cannot be powered by an external USB 5V Micro power supply and does not have the jog-dial button to control the aperture when using an external power supply.
The electronic integration of the camera aperture is supported and controlled through the camera body. Autofocus is not supported but lens-based image stabilization is supported and EXIF data is communicated.
Third party EF mount lenses such as those of SIGMA, TAMRON and TOKINA are lenses however third part zoom compatible may need to be registered in the Speed Booster first in order to detect their maximum aperture.
High-performance 32-bit processor and efficient switched power is offered and the speed booster is powered by the camera body.
Precise fit and solid connection - lens has no play, gap or wiggle when riding in speed booster and no adjustments are required to fit your lens. Both the camera side and the lens side of the speed booster are brass which is precision machined and chrome plated.
The Speed Booster uses the matte black treatment to avoid internal reflection to a minimum in order to maintain the maximum possible optical quality with the lens. The exterior features a black satin surface finish.
The Speed Booster is tuned to be able to focus to infinity for each combination of lens and camera body, and also to ensure optimal optical quality with CRC or floating element lenses. No adjustments are necessary, but some older lenses that are out of tune due to age and low-quality optics may not be able to focus to infinity with a Speed Booster. It is possible to adjust Speed Booster to allow infinite focus for these lenses by loosening the stop screw and rotating the glass elements.
The speed booster features a detachable tripod foot that is compatible with Swiss Ark, Markins, Photo Clam ball joints.
EF-S lenses, M42 screw mount adapters, focus confirmation chips, lens correction and many manual focus lenses are not supported. A list of tested and supported lenses can be found on the Metabones website.
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