On Feb 15, 2010, at 3:11 PM, Adam Maas wrote:
On Mon, Feb 15, 2010 at 2:35 PM, Dario Bonazza
<[email protected]> wrote:
Adam Maas wrote:
I wouldn't expect the K-X sensor in an updated K-7. However there
is a
14MP version of the sensor with similar high ISO performance and
capable of 7fps, THAT's what I'd like to see in an updated K-7 (it's
currently used in Sony's A450 and A550, the K-X shares a sensor with
the A500).
My reply:
I know that, as I've tested the Sony A550 last December. Yes, very
good
high-ISO performance, but not up to the K-x.
So I'd like the Sony 12 MP sensor better, but the Sony 14.6 MP
variation is
quite acceptable too.
Dario
But the A550 and A500 perform nearly identically from everything I've
seen and the A500 uses the K-X sensor, so I'd expect the A550 sensor
to perform similarly to the K-X sensor when matched with Pentax's
processing chain. The K-X's advantage over the A550 is primarily
because Sony still hasn't figured out NR in the processing engine.
Which makes me wonder if the Kx reduces noise at the expense of
detail. It would be interesting to see a comparison of resolving power
between the K7 and the Kx at ISO 800.
Paul
-Adam
--
M. Adam Maas
http://www.mawz.ca
Explorations of the City Around Us.
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