On-sensor PDAF, will it be as good as mirrored cameras?

Started 6 months ago | Discussions thread
EinsteinsGhost
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Re: Eventually, it will be better
In reply to jackgreen, 6 months ago

jackgreen wrote:

Canon EOS 70D does not rely on on-chip PDAF, it still has AF sensor from 7D. I agree, the dual-pixel AF system, different breed of PDAF, is innovative, but still not replacing traditional PDAF.
I watched Kai's 70D test and it did not convince me.

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OTOH, Sony's OS-PDAF implementation in A99 is a sign of what to expect from Sony when they expand the technology. While (in A99) it takes a backseat to mirror-based PDAF, it also works independently and with speed to be able to assist the mirror based PDAF in tracking.

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