Panasonic GH2:

http://www.43rumors.com/first-panaso...at-quesabesde/

"The contrast autofocus speed is over four times faster than the contrast AF of the Canon 5D and seven time faster than the Sony NEX-5!"

http://translate.google.com/translat...video%2C1_6894

"the information presented during the press conference yesterday said the focus system of this camera, with a response time of less than 0.01 seconds, winning by a landslide models like the Canon EOS 5D Mark II or Nikon D3X and D90 . Aunque no se mencionaba, cabe suponer que la comparación se refería exclusivamente al sistema de enfoque por contraste de estas réflex. Although not mentioned, it is assumed that the comparison related only to the system by contrast focus of these reflex. "