impresario7 said:My first post on this forum.
I purchased my 5D Mark III in late May and after testing it for a few weeks using mostly L lenses, I thought I had a defective camera body because I was seeing noise at not only 1600 iso but even at lower ISO levels (starting faintly at 800 iso and gradually increasing). My camera retailer (Looking Glass Photo in Berkeley) decided to test the camera before they sent it back to Canon and when they didn't find any problems when making direct comparisons with a 5D Mark II (and saw less noise on the Mark III images at all iso levels, especially visible at higher iso levels), we began to talk about workflow and software. I have been using Lightroom 4.1 to process my files, which appears to be the culprit. Processing with Canon's proprietary Digital Photo Professional made a world of difference. The "haze" of noise (mostly luminance, but also some chroma) was completely gone and the colors were more saturated (perhaps more than I'd prefer, but in many ways, better than what I was seeing in Lightroom). I wasn't certain about whether Lightroom uses Adobe Camera Raw or a different RAW processing algorithm, but the contrast between the screen view of RAW images is significant. I went back to look at those problematic files and re-processed them in Digital Photo Professional and was struck every time by the lack of noise using Canon's RAW processing engine.
If anyone can suggest how to obtain the same level of noise-free processing in Lightroom, please share your settings. (I hadn't made any changes to Lightroom between using my 5D Mark II and when I started using the Mark III body other than upgrading to 4.1, first 4.1 RC then 4.1 Final.)
Incidentally, I recently tried processing in DxO Optics Pro 7 Elite and the RAW images also look better than in Lightroom 4.1. I haven't been able to make comparisons between DxO and Digital Photo Professional, but I hope I'll be able to go back to using Lightroom because of the Develop module.
Thanks in advance for any feedback.
anyone know the link to the thread where people from this forum posted their examples of LR vs DPP processing that clearly shows the poor shadow noise produced specifically in LR RAW processing?? it was a really great thread. If not for that I would have processed my 5D3 RAWs in LR just for simplicity's sake, as that's what i primarily use in my workflow for editing.
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