Canon engineers have delivered a technological breakthrough with the new Dual Pixel CMOS AF system in the EOS 70D camera. This new AF system provides excellent AF performance in two situations that, up to now, have been problematic for SLR shooters — taking still images while using Live View and while recording video. In this PDF document (4.59mb), engineers from Canon Inc. in Japan, who were directly involved in the creation of this new AF system, provide insight into the Dual Pixel CMOS AF concept and the challenges they faced in developing it. It’s a look inside the engineering department of a major camera maker, which is rarely seen from the outside.
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