Canon R5 help...weird swirls in images

Karl_Guttag wrote:

draacor wrote:

I actually get something similar but not with every shot. I think it has something to do with Lightroom. If I use DPP and save as tiff and import into Lightroom the issue goes away.

First, the circular ring pattern does not look like something a camera could do.

Second, time and again on this forum, people have found that Adobe's raw converter has serious problems, particularly with low light noise.

Thrid, definitely try DPP4 and get a "baseline reading."

Fourth, give DxO PureRAW or PL4 with DeepPrime a try (free trial and often sale). It is widely recognized as the best RAW converter for reducing noise while preserving detail. In my tests, DxO can be good for 2 to 3 stops over Adobe Camera RAW, which is just ridiculous. Adobe is not even trying with their RAW converter.

I shoot with two Canon R3 mirrorless cameras and have the exact same problem with low light swirls that Paul does. I shoot a lot of photos in low light. The highest ISO I can use is 25,600 and those are full of swirls. I use Lightroom Classic for editing. I can get rid of the swirls by further editing in the Topaz DeNoise AI plugin, but the resulting image is not very good quality (muddy-looking). Nevertheless I use that because I have to.

I would be fine with switching other editing software that could solve this problem, but I have tens of thousands of photos in a Lightroom catalog. I must continue using that catalog. All of my photos for years are in there and, as a member of the press, I often need to revisit and reuse my older photos.

Jan