A77: why long lenses seem to be so out resolved?

Started 9 months ago | Discussions thread
JimmyMelbourne
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Re: A77: why long lenses seem to be so out resolved?
In reply to JimmyMelbourne, 9 months ago

JimmyMelbourne wrote:

Yes, but look at all of the lenses. All of the G lenses are resulting in low numbers. We know the 70 - 400 g is a top end lens. Is there something about the A77 sensor and camera configuration that is affecting how these lenses perform?

I think if we had tamron and sigma 70 - 200 equivalent lenses tested on the a77 they would also return low numbers.

The sony 70 - 200 g is actually fairly closely rated against the sigma and tamron lenses on other camera manufacturer cameras (when looking at the PMpx number)

I should qualify the tamron seems to surpass the other two on the same 24 Mpix sensor, but it does seem the Nikon camera has higher values across the board than the a77 so it might not be a fair comparison due to the diferent camera configuration and variables.

http://www.dxomark.com/Lenses/Compare/Side-by-side/70-200mm-F2.8-EX-DG-OS-HSM-Nikon-on-Nikon-D7100-versus-Sony-70-200mm-F2-8-G-on-Sony-SLT-Alpha-77-versus-Tamron-SP-70-200mm-F28-Di-VC-USD-Nikon-on-Nikon-D7100___320_865_246_734_1028_865

 JimmyMelbourne's gear list:JimmyMelbourne's gear list
Sony Alpha DSLR-A300 Sony SLT-A77 Sony SLT-A37 NEX5R Sony 70-200mm F2.8 G +18 more
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