Metabones Contax N Lens to Sony E-mount T Speed Booster ULTRA 0.71x Adapter (Black Matt)
The Speed Booster ULTRA uses an advanced 5-element/4-group optical design by Caldwell Photographic Inc., incorporating ultra-high index tantalum-based optical glass to achieve extraordinary optical performance with improved corner sharpness, distortion, and reduced vignetting. Metabones Contax N to E-mount Speed Booster ULTRA has a magnification of 0.71x, effectively reducing the crop factor of APS-C cameras from 1.5x to 1.07x.
Electronic Features:
- AF with Contax N mount lens
- 5-axis in-body image stabilization on A9, A7 Mark III series, A7 Mark II series, and A6500.
Optical Features:
- Advanced 5-element/4-group optical design incorporating ultra-high index tantalum-based optical glass by Caldwell Photographic in the USA (patent granted).
- Increase maximum aperture by 1 stop.
- Increase MTF.
- Makes the lens 0.71x wider.
- Felt material flocked inside to reduce internal reflections.
Rubber gasket protects E-mount connection from dust and moisture.
Tripod Mount: Detachable and compatible with Arca Swiss, Markins, and Photo Clam ball heads.
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