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Professional Video

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

$954

Photo Pro Video

 

Product Code: MB SPEF-E-BT4

This latest Speed Booster ULTRA for E-Mount cameras comes with a new 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.

It has a magnification of 0.71x, which effectively reduces the crop factor of mirrorless cameras with DX-sized sensors, such as Sony E-Mount, from 1.5x to 1.07x, and it works extremely well with professional-grade f/2.8 zoom lenses such as the 24-70 f/2.8 and 70-200 f/2.8 to produce 17-50 f/2.0 and 50-142 f/2.0 high-speed zooms respectively. Similarly, high-speed fixed focal length lenses such as 50 f/1.2 will be transformed into a 35.5 f/0.9 lens with excellent contrast and resolution from the center all the way to the edges of the image.

 

Metabones Exclusive Features and Benefits

  • If your lens supports optical image stabilization (OIS) and your camera supports sensor-shift, in-body image stabilization (IBIS), the choice is yours on which one to use, or to have both of them work in harmony
  • Smooth iris support with the latest Canon (2009+) lenses
  • Custom function button (Focus Hold button) assignable to more than 50 functions, such as Aperture Preview and Eye-AF, on A9, A7 series, A6500 and A6300.
  • Dedicated switch controls in-body image stabilization (IBIS) on Sony cameras equipped with SteadyShot INSIDE
  • Compatible with Sony FS7 II camera
  • Cinema EOS lens (CN-E) support, including power zoom, AF and auto-iris
  • Rubber gasket protects E-mount connection from dust and moisture
  • Detachable tripod foot, compatible with Arca Swiss, Markins and Photo Clam ball heads

 

Optical / Mechanical Features

  • Increase maximum aperture by 1 stop
  • Increase MTF
  • Makes lens 0.71x wider
  • Felt material flocked inside to reduce internal reflection

 

Electronic Features

  • AF-C tracking during high-speed drive at up to 10fps on Sony A9 (not applicable to A7R III)
  • Fast contrast-detection AF on all E-Mount cameras (except AF-S / DMF with Sony A9)
  • Pure phase-detection autofocus support on A9, A7R II, A7 II and A7S II (distance information from lens required; 3-axis IBIS if lens does not transmit distance information)
  • Powered by camera body - no external power source required
  • LED indicator shows operation mode, OIS activity and communication status
  • Efficient switched-mode power supply
  • Supports image stabilization (IS) lenses
  • Supports electronic manual focusing (e.g. EF 85 f/1.2L II and discontinued EF 50 f/1.0L)
  • EXIF support (focal length, aperture, lens name)
  • Distance and zoom display on VG and FS series camcorders, A9, A7 series, A6500 and A6300 (lens with distance information support required)
  • Auto-magnify (lens with distance information support required)
  • Auto "APS-C Size Capture" on full-frame cameras

 

For limitations and lens compatibility information, please click here.

 

Please note:

  • Metabones is not licensed, approved or endorsed by Sony or Canon.

 

 

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