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FORUMS News & Rumors Camera Rumors and Predictions 
Thread started 11 Nov 2014 (Tuesday) 07:24
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Sony FF E-Mount February 2015

 
smythie
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Nov 19, 2014 18:10 as a reply to  @ post 17281764 |  #31

I'd be wanting better low ISO noise performance than the D810. While the grain is fine at high magnifications, it is not clean in the way that a base ISO should be IMO.


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Shadowblade
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Nov 19, 2014 18:46 |  #32

smythie wrote in post #17282228 (external link)
I'd be wanting better low ISO noise performance than the D810. While the grain is fine at high magnifications, it is not clean in the way that a base ISO should be IMO.

The low-ISO noise is almost all random photon noise (which you can't do much about, since it's a physical limitation) with almost no electronic read noise. The only way to improve the low-ISO noise is to make it more efficient (i.e. so that a greater percentage of incoming photons contribute to the electric charge) or to lower the ISO and increase the well depth so that more photons get captured.

Also, the D810 has the highest density of any full-frame sensor out there (and greater density than any medium-format sensor) so the per-pixel relative noise is going to be greater, but not the per-unit-area (i.e. whole-image) noise.




  
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David ­ Arbogast
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Nov 19, 2014 19:07 |  #33

I recently did a comparison test between D810 and a7R using the Nikon 14-24. Continuous tone areas (sky) showed that the D810 was pretty clean - minimal noise - while the a7R image was at least twice as noisy. Both are 36MP sensors.


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Shadowblade
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Nov 19, 2014 19:52 |  #34

David Arbogast wrote in post #17282354 (external link)
I recently did a comparison test between D810 and a7R using the Nikon 14-24. Continuous tone areas (sky) showed that the D810 was pretty clean - minimal noise - while the a7R image was at least twice as noisy. Both are 36MP sensors.

Wouldn't surprise me in the least - Nikon always seems able to extract more out of a Sony sensor than Sony can.

Also, the A7r has a base ISO of 100 whereas the base ISO of the D810 is 64.




  
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DarthVader
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Nov 19, 2014 20:12 |  #35

Canon is also really good at squeezing sensor performance, G7X has better DXOMark number than RX100 III AFAIK.


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Shadowblade
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Nov 19, 2014 22:19 |  #36

DarthVader wrote in post #17282465 (external link)
Canon is also really good at squeezing sensor performance, G7X has better DXOMark number than RX100 III AFAIK.

Makes you really wish they'd use the Exmor as their starting point instead of their own sensor...




  
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Nov 20, 2014 04:20 |  #37

Oh hell yes!!!

Shadowblade wrote in post #17282676 (external link)
Makes you really wish they'd use the Exmor as their starting point instead of their own sensor...


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Nov 20, 2014 05:07 |  #38

Shadowblade wrote in post #17282676 (external link)
Makes you really wish they'd use the Exmor as their starting point instead of their own sensor...


+1 ! :D


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Nov 20, 2014 12:06 |  #39

Things I like about the new A7II:

  • Robust mount
  • Magnesium alloy front panel
  • IBIS
  • New location of the shutter button
  • The way the memory card door opens
  • Faster AF

But I'm gonna wait until the specs and price of the A9 are known, because if the rumors are (mostly) true, the A9 is the camera I want.

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David ­ Arbogast
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Nov 20, 2014 12:39 |  #40

Wonder if the a9 will get IBIS as well. Amazing tech!

Also amazing: Sony is rolling out the second generation of FF cameras while competitors are no where in sight.


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Nov 20, 2014 12:43 |  #41

I can't imagine the A7II having IBIS and the A9 (which is said to be a PRO camera) not having it.


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Nov 20, 2014 14:13 |  #42

IBIS is also coming to the A9 (source: SonyAlphaRumors (external link)):

Sony said they wanted to include this feature on a “budget FE” camera first to make it quickly available for the mass. We can be 100% sure this is coming on the Sony A9 too (to be announced in January).


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David ­ Arbogast
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Nov 20, 2014 14:16 |  #43

jocau wrote in post #17283914 (external link)
IBIS is also coming to the A9 (source: SonyAlphaRumors (external link)):

Sony said they wanted to include this feature on a “budget FE” camera first to make it quickly available for the mass. We can be 100% sure this is coming on the Sony A9 too (to be announced in January).

Awesome! Thanks for posting that. Hope the a9 is semi-affordable! Any guesses on price?


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Nov 20, 2014 14:29 |  #44

jocau wrote in post #17283914 (external link)
IBIS is also coming to the A9 (source: SonyAlphaRumors (external link)):

Sony said they wanted to include this feature on a “budget FE” camera first to make it quickly available for the mass. We can be 100% sure this is coming on the Sony A9 too (to be announced in January).

Cant wait for the Sony A9! :)


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Nov 20, 2014 14:46 |  #45

David Arbogast wrote in post #17283922 (external link)
Awesome! Thanks for posting that. Hope the a9 is semi-affordable! Any guesses on price?

I have no idea. January/February is still a bit too far off right now. But it will definitely be more expensive than the A7II (which is probably gonna cost 1.799 euro in Europe). I just hope it won't be more than 40% more expensive. I guess a lot depends on how revolutionary the camera/sensor will be.

vipergts831 wrote in post #17283942 (external link)
Cant wait for the Sony A9! :)

Yep, I'm very curious too. I think we'll get to know a lot more about the A9 as we go deeper into December. Just keep an eye on the SonyAlphaRumors (external link) website for the latest info/rumors.


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Sony FF E-Mount February 2015
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