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- Artikel-Nr.: SW15969
Metabones Canon EF auf Sony E Mount T Speed Booster ULTRA 0.71x
The Metabones T Speed Booster ULTRA 0.71x 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 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.
Speed Booster ULTRA 0.71x Key Features
Increase maximum aperture by 1 stop
Makes lens 0.71x wider
Advanced 5-element/4-group optical design incorporating ultra-high index tanatalum-based optical glass by Caldwell Photographic in the USA (patent pending)
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