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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