Metabones Contax Yashica CY to E-mount Speed Booster ULTRA 0.71x CINE
Features
- 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 granted).
- Positive-lock CY lens mount, the robust cine-style positive locking mechanism to ensure that no play when attaching the vintage lenses
Description
Like the revolutionary original Metabones Speed Booster announced in January 2013, the Metabones Contax Yashica CY to E-mount Speed Booster ULTRA 0.71x CINE 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 full-frame SLR lenses regardless of exit pupil distance. Thus, the 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.
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Details
- Product: Metabones Contax Yashica CY to E-mount Speed Booster ULTRA 0.71x CINE
- Manufacturer: Metabones
- Model: MB_SPCY-E-BM3
- SKU: MB_SPCY-E-BM3
- RM Product #: 81311
- Camera Body Mount: Sony E
- Lens Mount: Contax/Yashica
- Warranty: 1 year manufacturer warranty
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