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Canon 7D, high ISO, low light, & noise
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photolady
Date Posted: Sep/22/2010 1:35 PM
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Ok - I've had my 7D for a week. Used it Saturday at MMA fights. I'm getting more noise at ISO 1600, 3200 and 6400 than I did with my 50D. Granted, I've used the 50D for 2 years and have learned how to coax low light high ISO images out of it with low to acceptable noise. Now the learning curve starts for the 7D. Anyone have any tips for low (and I do mean low) light, high ISO shooting to minimize noise?

I shoot MMA events which are notoriously dim without flash (actually had the officials tell people to back up 20' if they were going to use flash last Saturday) and gymnastics (no flash allowed at all - even focus assist beams will get you escorted out). So I need to learn how to coax low noise images using ISO 1600, 3200 and 6400 out of the 7D.

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Alice

 Message edited by: photolady on 09/22/2010 13:36:40

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swanseamale47
Date Posted: Sep/23/2010 2:44 AM
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I suppose the first question (no offence meant) are the exposures spot on? if your under exposing it will bump up the noise levels, and with a new camera which might be by default a bit out it's easy to do. What setting have you got the high iso noise reduction set too? if you had it on in the 50d and off on the 7d that'll also make a difference.
I have seen some pretty good high iso stuff off the 7d, so without comparing the 50d it's hard to say. Is there a big difference?
Wayne

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photolady
Date Posted: Sep/23/2010 11:39 AM
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Wayne - thanks for your input. Lighting conditions at the MMA fights were terrible, as usual. I have to admit that I relied on the 7D's metering a little more than I ever did with the 50D. With the 50D I always exposed to the right without blowing the highlights and then pulled down in post when I shot high ISOs. In reviewing the 7D photos some more, I don't think I did that this time so, even though the exposure was technically correct, I think that may have been my problem.

As I did with the 50D, I've turned off Auto Lighting Optimizer and Highlight Tone Priority and high ISO noise reduction is set to standard. I think I'll try exposing just a little farther to the right the next time I'm in very low light using higher ISOs.

I've always exposed the 50D to the right under these conditions so maybe it's just finding the right balance with the 7D.

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Alice

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swanseamale47
Date Posted: Sep/23/2010 1:13 PM
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Have you tried running the images through Noiseware pro or some other noise reduction software, they can do a pretty good job these days.

 Message edited by: swanseamale47 on 09/23/2010 13:13:56

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photolady
Date Posted: Sep/23/2010 1:33 PM
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Wayne - yes, they do clean up nicely in Noiseware Pro. I'm just trying to get the images as clean as possibly out of camera.

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Alice

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