Metabones Speedbooster Canon EF to Micro Four Thirds Ultra 0.71x

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    Metabones Speedbooster Canon EF to Micro Four Thirds Ultra 0.71x

    3-5 Days Delivery

    Jigsaw Code: G334AAG
    Manufacturer Code: MB_SPEF-M43-BT4

    • Compatibility: DX/APS-C lenses
    • Model: Adaptor

    Platform:  general general

    Availability:  3-5 Days Delivery

    £679.00£814.80 incVAT

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    Introducing the new Metabones Speedboster Ultra with a magnification of 0.71x that allows you to use Canon EF lenses on your micro four-thirds mount camera.

    Like the ULTRA series for Sony E-mount, the new Speed Booster ULTRA m43 uses an advanced 5-element 4-group optical design incorporating ultra-high index tantalum-based optical glass. However, the new design is specifically optimized for the Micro Four Thirds sensor and filter stack, and as a result achieves an astonishing level of performance that sets a new standard for focal reducers.

    Like the revolutionary original Metabones Speed Booster announced in January 2013, the Speed Booster ULTRA m43 has a magnification of 0.71x, and so it effectively reduces the crop factor of mirrorless Micro Four Thirds mount cameras from 2.0x to 1.4x. However, the new ULTRA design makes very effective use of exotic materials at the furthest limit of glassmaking technology, and as a result is almost perfectly corrected for use with all fullframe SLR lenses regardless of aperture. The Speed Booster ULTRA m43 will also work extremely well with many DX and APS-C format lenses provided the image circle of the lens is large enough. Optical performance of the new Speed Boosters is so good that the MTF of any lens attached to it will be improved. Even the latest generation of ultra-high performance SLR lenses such as the Zeiss Otus series can be improved by adding a Speed Booster ULTRA m43.


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    General Specifications

    DX/APS-C lenses
    Lens Type
    Rear Mount Diameter (mm)
    Front Mount Diameter (mm)
    Filter Size (mm)

    Physical Description

    Aluminium, Black



    What's in the Box

    1 x Speedbooster
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