Metabones Canon EF to E-mount T Speed Booster ULTRA 0.71x
Metabones Canon EF to E-mount T Speed Booster ULTRA 0.71x Metabones Canon EF to E-mount T Speed Booster ULTRA 0.71x

Metabones Canon EF to E-mount T Speed Booster ULTRA 0.71x

  • Increase maximum aperture by 1 stop
  • Increase MTF
  • Makes lens 0.71x wider
  • Advanced 5-element/4-group optical design incorporating ultra-high index tanatalum-based optical glass by Caldwell
  • Electronic integration of aperture diaphragm, controlled by or from the camera body
  • Partial autofocus support for late-model (post-2006) Canon-brand lenses
  • Powered by camera body. No external power source required
  • High performance 32-bit processor and efficient switched-mode power supply
  • The tripod foot is detachable and compatible with Arca Swiss, Markins, Photo Clam ball heads
  • Flocking material coating inside the inner hole to reduce the internal reflection
 
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Product Details

New optical design: advanced 5-element/4-group optical design incorporating ultra-high index tanatalum-based optical glass to achieve extraordinary optical performance with improved corner sharpness, distortion and reduced vignetting. Like the revolutionary original Metabones Speed Booster announced in January 2013, the 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 Speed Booster ULTRA Show More

What’s in the box
  • Metabones Canon EF to E-mount T Speed Booster ULTRA 0.71x
 
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