Sony A57 Vs. A580

[koleh77]

This a comment for this page on the website

I was waiting for the score of A57 for so long ))),
as I expected A580 is best APS-C Sony camera.
What Sony is producing ?!
A35,A65,A77,now A57.
The question is _ why we all didn`t see any progress after A580 ???
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http://photo-wed.blogspot.com/

[evilthought]

Why are you surprised? A57 should score 1/2 stop lower than A580 due to SLT mirror taking some of the light. This has been known since 2010.

For this 1/2 stop lower score, SLT offers a lot of other advantages (higher frame rates with AF, AF in video, EVF, lower shutter lag, no mirror blur, etc).  I will take all these advantages for 1/2 stop lower score, which isn't even visible untill very high ISO.

[koleh77]

A57 have the same iso mark as A55,
I have A55&A33, they both are liile noisy even at iso 100,
and have to say it is not good, everything alse is great in these cameras.
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http://photo-wed.blogspot.com/