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DPChallenge Forums >> Tips, Tricks, and Q&A >> noise when taking photos in raw
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Canon EOS-20D
Canon EF 70-200mm f/4.0 L USM
 03/03/2006 03:23:08 PM · #1
I started taking my very first photographs in RAW today but for some reason I am seeing an awful lot of noise. It seems a lot more than when I was shooting jpg. Could I be doing something wrong? One of the main reasons I wanted to shoot in raw is because I have been trying to get rid of as much of the noise as I can. (I have been getting knocked back at stock photography sites for noise) My camera only goes down as low as ISO 200, so I am shooting at the lowest, yet still getting noise. Any advice would be appreciated.
Sony Alpha a6400
Tamron 70-180mm F/2.8 Di III VXD
 03/03/2006 03:49:15 PM · #2
Are you maybe underexposing a little, and the RAW converter is pushing the exposure after the fact?

That's happened to me pretty often when shooting in low light - you feel like you should adjust the exposure so it looks right, even if it turns out the information just isn't there, so it enhances the noise.

Could probably be fixed by overexposing a little if there's a chance it'll be underexposed.
Canon EOS-20D
Canon EF 70-200mm f/4.0 L USM
 03/03/2006 03:52:07 PM · #3
Thanks Madman!

I will go and play around with the exposure a bit and see if that helps.
Canon EOS-400D Rebel XTi
Sigma 18-200mm f/3.5-6.3 DC OS for Canon
 03/03/2006 03:52:23 PM · #4
Noise is always a problem to control, especially with P&S cameras. When you use RAW mode you are bypassing all in camera processing, including noise reduction. Most RAW processing software includes noise reducing features that may or may not be satisfactory. For this reason many photographers use a stand alone noise reducing software such as NeatImage or Noise Ninja.
But...adverse camera settings can aggravate noise, particularly when the image is underexposed. Try various programmed modes with your camera using the RAW format and see if some are less noisy than others. If you are using Photoshop Camera Raw then it includes some elementary noise reduction tools under the 'detail' tab.
Canon EOS-20D
Canon EF 70-200mm f/4.0 L USM
 03/03/2006 04:02:42 PM · #5
Thanks ElGordo, I just found the noise reduction in Photoshop Camera Raw. It has helped a little bit, but I am still getting quite a bit of noise. I ran it through neat image as well. I did find that if I overexposed it a bit that it helped some. I will take your advice and play around with the camera settings to see if I can reduce the noise a bit prior to editing in software.

I appreciate all the great advice!
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