May 9, 2012
I just completed 6 autofocus tests on my Sony A57. This camera performed at 100% on 4 out of 7 tests and failed on some pretty tough low-contrast tests. The camera performs best on center zone and a little words on low-contrast spot and local side settings. Overall -- excellent performance!
I only wish I hadn't wagered on 100% perfect performance.
I love my A57!