Canon EOS 70D review: how does the new dual pixel CMOS AF sensor perform?
Introduction Besides being this year’s update to the firm’s range of mid range APS-C EOS DSLR model, Canon’s EOS 70D brings unexpected yet welcome technological advances in the form of a proprietary 20.2 M-Pix Dual Pixel CMOS AF sensor. Each pixel has twin photo diodes that can be read together for image capture or separately for fast focusing during movie capture. Sensor sensitivity doesn’t appear to be adversely affected with the EOS 70D offering ISO settings up to 12,800, expandable to 25,600. In stills mode and continuous shooting up to 7fps.The EOS 70D adopts a viewfinder based