Dual Pixel Autofocus: What is it and what cameras have it?

August 20, 2018  •  Leave a Comment

 

Canon's Dual Pixel Auto Focus, from a screenshot.Canon's Dual Pixel Auto Focus, from a screenshot.Canon's Dual Pixel Auto Focus, from a screenshot. Canon introduced phase detection dual pixel auto focus (DPAF) in 2013, with the EOS 70D camera, calling the technology “revolutionary.”  Since then, DPAF has been a feature on most new camera models released by Canon, from the $10,000 EOS C300 cinema camera, to the pro-level EOS 1DX MarkII, to Canon’s mirrorless EOS M6, to the consumer EOS Rebel T7i.  DPAF is also showing up in smart phone cameras by Samsung and others, and several of the big camera companies have filed patents for similar types of sensors.

But what is dual pixel auto focus?  Is it really revolutionary?  Does any other manufacturer offer a similar technology?

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