Horrible fringing using Canon RF 15-35mm lens profile

I just noticed horrible green color fringing with this lens with a series of exposures of the same subject. I went back and spot checked some of the other images with this lens but I don't notice this, however, I checked the image in Canon DPP, and DxO Photolab 4 and the image is perfect. I have selected the Canon RF 15-35mm F2.8 Lens Profile and have "Chromatic Aberration" turned on. This image is at 16mm. I rented it for a shoot and so have limited experience with it. Is there a problem with this profile? Has anyone ever seen a lens profile fail (spectacularly) for some images and not others?

I'm using the C1 21. 14.4.1.

Ric Cohn

1. November 2021 19:43

A quick follow up. I just saw another image with more subtle fringing including the opposite magenta (the first image is a horizontal this second shot is a vertical shot). Maybe for most images this is hidden in the subject, but when I look at DPP and DxO I don't see the fringing. This has not been my experience in the past with C1 profiles. This image is at 15mm and the first image was at 16mm. I haven't seen it at longer focal lengths (although I can't be sure whether it's not there or I haven't looked at an image that would show it.)

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