DxOMark has tested the Canon EOS 70D’s live view autofocus system in comparison to the Sony SLT-A77, looking at focus speeds and accuracy in both movie and stills modes. The two cameras offer an intriguing contrast in technologies; the 70D uses Canon’s latest ‘Dual Pixel AF’ on-sensor phase detection, while the A77 employs a separate phase detection AF sensor which receives light via a semi-transparent mirror. Click through to see how the two cameras fare in DxOMark’s head-to-head testing.
News: Digital Photography Review (dpreview.com)