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

Started Oct 10, 2013 | Discussions thread
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Re: On-sensor PDAF, will it be as good as mirrored cameras?
In reply to EinsteinsGhost, Oct 10, 2013

EinsteinsGhost wrote:

havoc315 wrote:

sybersitizen wrote:

BTW, would anyone like to speculate on the unique benefits of a mirrorless A-mount (not E-mount) design?

Not sure what unique benefits a mirrorless A-mount could have that wouldn't be equally possible in an E-mount design. The cameras could essentially be identical, except for a different physical mount.

1- Why are we seeing a flurry of f/4 zoom lenses for E-mount, as opposed to f/2.8?

2- Why are we seeing "acceptable" AF speed with E-mount, but the expectations are higher for A-mount?

3- Why did we see camera body size for SLTs grow from A55 to A77? And while at it, A3000 is closer to A55 in terms of size, but that already entails a lot of air-space. Imagine it growing further into A77 dimensions.

4-Compromises. E-mount isn't perfect solution to every problem. And neither is A-mount. But, they can complement each other very well, without the need to maintain substantial differences between them.

I do LOL at the 28-70 F4 "G lens"... but it is possible to make faster lenses, by just adding the space between the sensor and back of the lens.

IE Sony could easily release a Full frame 24-70 F2.8, by releasing the SAL-2470Z with an Emount adapter built onto it.

 tqlla's gear list:tqlla's gear list
Sony Cyber-shot DSC-RX10 Sony Alpha DSLR-A850 Sony SLT-A99 Sony 16-35mm F2.8 ZA SSM Carl Zeiss Vario-Sonnar T* Sony 24-70mm F2.8 ZA SSM Carl Zeiss Vario-Sonnar T* +8 more
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