Metabones T Speed Booster Ultra 0.71x II - Canon EF to Sony E

The Metabones T Speed Booster Ultra 0.71x II with Canon EF to Sony E mount 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 cameras, from 1.5x to 1.07x. It features a new optical design including 5 element4 group incorporating ultra high index tantalum based optical glass to achieve extraordinary optical performance with improved corner sharpness, distortion and reduced vignetting.