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Metabones Canon EF to Sony E Mount T CINE Speed Booster ULTRA 0.71x

Metabones Canon EF Lens to Sony E Mount T CINE Speed Booster ULTRA 0.71x

SKU: MB_SPEF-E-BT3

New optical design:  advanced 5-element/4-group optical design incorporating ultra-high index tantalum-based optical glass to achieve extraordinary optical performance with improved corner sharpness, distortion and reduced vignetting.

Speed Booster ULTRA has a magnification of 0.71x, and so it effectively reduces the crop factor of mirrorless cameras with DX-sized sensors, such as Sony E-mount and Fuji X-mount cameras, from 1.5x to 1.07x.  However, the new ULTRA design makes very effective use of exotic materials at the furthest limit of glassmaking technology, and as a result is well corrected for use with virtually all fullframe SLR lenses regardless of exit pupil distance. Thus, the Metabones Speed Booster ULTRA 0.71x performs extremely well with professional-grade f/2.8 zoom lenses such as the 24-70mm f/2.8 and 70-200mm f/2.8 zooms by Canon and Nikon to produce 17-50mm f/2.0 and 50-142mm f/2.0 high-speed zooms, respectively.  Similarly, high-speed fixed focal length lenses such as a 50mm f/1.2 will be transformed into a 35.5mm f/0.9 lens with excellent contrast and resolution from the center all the way to the edges of the image

Optical/Mechanical

  • Increase maximum aperture by 1 stop.
  • Increase MTF.
  • Makes lens 0.71x wider.
  • Advanced 5-element/4-group optical design incorporating ultra-high index tantalum-based optical glass by Caldwell Photographic in the USA (patent pending).
  • A new positive-lock EF lens mount. (Patent pending).
  • Rubber gasket protects E-mount connection from dust and moisture.
  • Felt material flocked inside the opening to reduce internal reflection.
  • Compatible with Sony FS7 Mark II camera.
  • The tripod foot is detachable and compatible with Arca Swiss, Markins, Photo Clam ball heads.

Electronic

  • Fast contrast-detect AF on all E-mount cameras.
  • Phase-detect autofocus support on A7RII, A7II, A6300 and A6500.
  • Smooth iris support with the latest Canon (2009+), Tamron (SP series 2013+) and Sigma (2016+) lenses
  • Supports 5-axis in-body image stabilization of A7II, A7RII and A7SII. (Distance information from lens required; 3-axis IBIS if lens does not transmit distance information.
  • Dedicated switch controls in-body image stabilization (IBIS)
  • Status notification LED light 
  • Powered by camera body. No external power source required.
  • Aperture control from camera body.
  • Custom function button assignable to more than 50 functions on A7 series, A6300 and A6500.
  • High performance 32-bit processor and efficient switched-mode power supply.
  • Supports image stabilization (IS) lenses.
  • Supports electronic manual focusing (e.g. EF 85/1.2L II and discontinued EF 50/1.0L)
  • EXIF support (focal length, aperture, zoom range)
  • Distance and zoom display on VG and FS series camcorders, A7 series, A6300 and A6500 (lens with distance information support required).
  • Auto magnify (lens with distance information support required)
  • Auto "APS-C Size Capture" on full-frame cameras.

Tested Camera Bodies

  • A7SII, A7RII, A7II, A7S, A7R, A7
  • A6500, A6300, A6000
  • PXW-FS7M2, PXW-FS5, PXW-FS7, NEX-FS700, NEX-FS100
  • NEX-EA50, NEX-VG900, NEX-VG30, NEX-VG20, NEX-VG10
  • NEX-7, NEX-6, NEX-5R, NEX-5N, NEX-5, NEX-C3, NEX-3

Details of the manufacturer

  • Global Boom International Limited
  • Unit 401-3,4F, Canny Industrial Building 33 Tai Yau Street, Hong Kong

info@metabones.com

Details of the person responsible for putting the product on the European market

  • NEFAL service & consulting e. K.
  • Am Heerdter Hof 24
  • 40549 Düsseldorf, Germany

+49 (0) 211 930 730-33

info@nefal.tv

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