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Message: <blockquote data-quote="Keith Reeder" data-source="post: 1543351" data-attributes="member: 4913">It's certainly noisier than the 40D in my experience. I should add that my "experience" relates to having downloaded or been sent a number of 50D RAWs, which I've converted using what I know to be an effective workflow for noise management (I have no real concerns about 3200 ISO on my 40D). And in every file I converted (about a dozen in all) - and doing my best to process them well - they were noisier than I'd expect from a 40D in the same circumstances. The choice of conversion software is critical here though: I will not use ACR/Lr to convert 40D files unless they're at a very low ISO (and given that my "baseline" 40D ISO is 400, the opportunity rarely occurs) and use Capture One 4 or Raw Therapee instead - Cap One 4 all the way for high ISOs. Even so, the 50D produces noisier images than I would want. There's not always much in it, but the difference is unquestionably there. That's precisely why I don't - and won't - own a 50D.</blockquote>