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

Started Oct 10, 2013 | Discussions thread
K E Hoffman
K E Hoffman Senior Member • Posts: 5,102
Re: On-sensor PDAF, will it be as good as mirrored cameras?

WaltKnapp wrote:

K E Hoffman wrote:

Even if there was a time (years I think) when E-Mount became the standard across the SLR format.. it will need to retain the features of the A-Mount cameras to succeed.. and Amount lenses will work fine. So not too worried..

It's not possible to build a SLR or DSLR using the E-Mount. So E-Mount will never become the standard for DSLR. E-Mount (and A mount "mirrorless") will be what's beaten by DSLRs from other brands that don't even have to be redesigned to beat them.

As of now on PDAF the on sensor is way behind SLR/DSLR AF. I expect that as Sony modifies their sensor system to add PDAF that disadvantages of this use will become more apparent. Especially as Sony is designing for newly converted P&S folks and believes the needs of everyone are found in P&S.

There are good reasons why mirrorless is found in lower end cameras and not in top end gear.as

As I said "SLR format"  Size and handeling wise..  I would suspect there are no more DSLR cameras coming from sony it would be step backward as the mirror is a vestage of older technology. May be one more round of SLTs then it will be mirrorless all the way and any system will support a-mount.

There WERE many good reasons for top level gear not to have a mirror. Sony has removed all but one  auto focus speed.  and when at-the-sensor AF is able to create speeds matching dedicated focus sensors mirrorless will be the preference of advanced shooting because it removes issues of back focus

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