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Told you Sony's 24mp sensor was noisy



 
 
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  #1  
Old October 27th 11, 07:04 PM posted to rec.photo.digital.slr-systems,rec.photo.digital
Bowser
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Posts: 231
Default Told you Sony's 24mp sensor was noisy

On Thu, 27 Oct 2011 06:51:02 -0700 (PDT), RichA
wrote:

On Oct 26, 11:29*am, Bowser wrote:
On Tue, 25 Oct 2011 22:04:16 -0500, Rich wrote:
I noticed it in the NEX-7 results and now, it seems that the SLT-A77 has
the issue. *However, the camera does show really high resolution.
The Pentax K5 remains the noise control king of APS.


http://www.dpreview.com/reviews/sonyslta77/page14.asp


But the NEX looks better than the A77 since it receives more light. I
expected higher noise levels from the more densely packed sensor, but
what I'd like to see is prints from these cams. Viewing these images
at 100% on screen tells me little.

My NEX 7 is still on pre-order.


I'm still wondering about a choice. A new "pro" Panasonic m4/3rds is
due and Sony's production is compromised.


I think the best we can hope for in the GX1 is the sensor in the G3.
Good, not in Sony's class. I think that the sensor in the NEX 7, when
not handicapped by a pellicle mirror will be about a stop better. Just
guessing. For me, if it's good up to ISO 3200 I'm OK with it.
  #2  
Old October 28th 11, 11:32 PM posted to rec.photo.digital.slr-systems,rec.photo.digital
Chris Malcolm[_2_]
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Posts: 3,142
Default Told you Sony's 24mp sensor was noisy

In rec.photo.digital Bruce wrote:
Bowser wrote:


I think that the sensor in the NEX 7, when
not handicapped by a pellicle mirror will be about a stop better. Just
guessing. For me, if it's good up to ISO 3200 I'm OK with it.


Sony claims that the pellicle mirror robs only about one third of a
stop of light. Without any means of verifying that claim, we have no
option but to take it at face value.


Those who have compared NEX-7 with A77 exposures have found about 1/3
stop difference.

--
Chris Malcolm
 




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