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EM1 continous AF and tracking

Started Nov 3, 2015 | Discussions thread
Chris R-UK Forum Pro • Posts: 22,843
Re: EM1 continous AF and tracking

Fri13 wrote:

Chris R-UK wrote:

Colin K. Work wrote:

The problem is that as of now, PDAF has neither the coverage or sensitivity of higher end DSLRs, so essentially while there is nothing wrong with PDAF in the right conditions, it's simply not as capable overall.

Do you know whether there is any fundamental reason why on sensor PDAF is always going to be inferior to the sort of PDAF system in a DSLR using a separate mirror assembly and PDAF array? (Maybe that is one for the Science and Technology forum).

Mirrorless cameras runs most / all its features by CPU. So there are bottlenecks and priorities what is done. DSLR still allows to have a PDAF sensor externally from CPU, so a own dedicated unit can do just that one thing and control the focus, while CPU does different things.

That makes sense.  The mirrorless camera clearly has to deal with all the EVF processing as well as everything that a DSLR's processor has to handle.

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Chris R

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