Canon EF Lens to Micro Four Thirds T CINE Speed Booster ULTRA 0.71x

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MB_SPEF-M43-BT5 Canon EF Lens to Micro Four Thirds T CINE Speed Booster ULTRA 0.71x

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746,61 € tax incl.

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Data sheet

Camera Mount MFT micro-4/3
Lens mount Canon EOS
Marca Metabones

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Positive-Lock Canon EF Lens Mount with Weather-Resistant Rubber Mount Gasket

Speed Booster ULTRA CINE 0.71x 

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.

New in Speed Booster ULTRA for Canon EF Mount to Micro Four Thirds is autofocus support, subject to certain limitations (see table above for details). We are pleased to report that Panasonic Micro Four Thirds camera bodies are capable of autofocusing accurately even if the maximum aperture of the Speed Booster and the lens combined is in the sub-f/1.0 range. Although our first and foremost priority is accuracy, we are able to make great strides in autofocus speed as well.

Camera Body Compatibility List

Blackmagic: Micro Cinema Camera, Pocket Cinema Camera

JVC: GY-LS300

Olympus: E-M1, E-M1 Mark II, E-M5, E-M5 Mark II, E-M10, PEN-F, E-P5, E-PL3

Panasonic: GX1, GX7, GX8, GX80/85, GH1, GH4, GH5, G2, G3, G5, G7, GM1, GF3, AF100

Unlisted cameras have not been fully tested for compatibility.

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Canon EF Lens to Micro Four Thirds T CINE Speed Booster ULTRA 0.71x

Canon EF Lens to Micro Four Thirds T CINE Speed Booster ULTRA 0.71x

MB_SPEF-M43-BT5 Canon EF Lens to Micro Four Thirds T CINE Speed Booster ULTRA 0.71x