Archived posting to the Leica Users Group, 2013/02/03
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]None, it does not fit a Leica ;-) Seems to have good central definition but falls off more in the corners http://www.dpreview.com/articles/2667195592/first-impressions-metabones-speed-booster What is more interesting is that they seem to control the aperture on Canon EF lenses, I don't think that has been done before? john > -----Original Message----- > > any thoughts on this :" > > http://www.metabones.com/info/105-info/154-speed-booster > > brgds > Simon > Amsterdam > >