When we first shared the news that Metabones had announced a “speed booster” adapter that makes your lenses faster, wider and sharper, not a lot of people had gotten their hands on it yet. But now that the most exciting accessory on the block has been accepted as definitely NOT an elaborate April Fools joke, a few websites have taken turns with it, and initial reviews all seem to be positive.

http://weeder.org/pqyrcoXpPrR-