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FORUMS Canon Cameras, Lenses & Accessories Small Compact Digitals by Canon 
Thread started 31 May 2009 (Sunday) 19:51
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SD790 IS - noise

 
Rodinal
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May 31, 2009 19:51 |  #1
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I bought a SD790 IS and I'm really disappointed. I took pics of the highest quality with IS turned on 1/250, f/2.8, ISO 200 and they look awfully noisy at full size. Image looks nice when I open it in Photoshop and when it's sized 25% or 50%... but higher than 50% you can see the noise.

Is that your experiences as well?

Thanks.


1D Mark II • 16-35/2.8L mk I • 24-70L • 70-200/2.8L IS • 50/1.8 • 24-85 • 400/5.6L • 430EX

  
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Jon
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Jun 01, 2009 10:35 |  #2

You can't compare these to your 1D II. Remember that noise is a function, in addition to ISO and light levels, of the size of the sensor site. And remember that the SD790 has almost 20% more pixels on about 6% as large a sensor as your 1D II. So you'll see some noise, and proper exposure is critical to reducing this. But combine a good exposure and noise reduction software and you can certainly make decent prints at up to 11x14"' should you want to.


Jon
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Rodinal
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Jun 01, 2009 10:42 |  #3
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I'm comparing this to a bigger, bulkier 8.2 mp Panasonic P&S which - true - had a much bigger lens and perhaps a bigger sensor. No noise at all on that. I'm just disappointed. I think I'll return it and get a Pana or a SX110.


1D Mark II • 16-35/2.8L mk I • 24-70L • 70-200/2.8L IS • 50/1.8 • 24-85 • 400/5.6L • 430EX

  
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SD790 IS - noise
FORUMS Canon Cameras, Lenses & Accessories Small Compact Digitals by Canon 
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