[vimeo]http://vimeo.com/57292607[/vimeo] The Speed Booster will be available from Metabones later at a date TBC Are you sitting down? Sensor size is history. An optical reducer is something I have long thought was possible on a DSLR and wondered why nobody had made one. If your sensor is smaller than full frame, shrink the image that the lens throws to fit over it. That is the principal behind the Metabones Speed…