10-29-2024 01:12 PM - last edited on 10-29-2024 03:33 PM by Danny
I have had this lens for a while, and have been very happy with it. Just recently, some, but not all the pictures I have taken have this fringe. I thought it was the SD card, so I tried a brand new SD card, but get the same result. This does not happen with other lenses. Does anyone have any idea what is causing this? I have never dropped or banged the lens, and up until this week, I has never done this.
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10-29-2024 02:15 PM - edited 10-29-2024 02:38 PM
It is absolutely an Adobe issue! They have been aware of it for some time and I thought was resolved with the Oct 15th 2024 update. If you have the ability to update I would give it a try. The update to the V3 lens profile should resolve it.
If you are not able to update check your lens profile in LR or PS and you will find by changing it to the prior version (lens profile) it will remove the fringing.
PS Camera Raw
Open an image that you have using the Canon RF 24-240mm lens with fringing in Camera Raw. scroll to the Optics panel and you will find three profile options listed. Select the profile one profile earlier (should be V3 to V2).
Lightroom Classic
Open an image that you have using the Canon RF 24-240mm lens with fringing in Lightroom Classic. Open the 'Lens Corrections' panel. Next, select the 'Profile' drop down menu. You'll see three profile options listed. Select the profile identified as v2, see below:
Again, if your subscription is active it's best to update, it resolved the issue for me.
Hope that helps.
R3 ~ R5 ~ R6 Mk II ~ R50
Lenses: RF Trinity and others
Adobe and Topaz Suite for post processing
Personal Gallery
10-29-2024 03:29 PM
Thank you everybody who replied. It never occurred to me that it was a software issue. I opened the banded pictures using ON 1, and there is no banding. It is weird that I have taken thousands of pictures with the RF 24-240mm, and it is just recently that the banding has occurred. I'll update Lightroom and hope that the issue has been fixed. Thanks again everyone.
10-29-2024 01:18 PM
What camera?
That really does not look like a lens issue, unless the camera correction is messed up somehow, turn off all corrections.
10-29-2024 02:02 PM - edited 10-29-2024 02:28 PM
If this is being observed with Adobe products (it may occur with others but I have no personal experience of that), you may want to make sure that the lens corrections are up to date by updating the Adobe software. I had similar effects on Photoshop with a couple of lenses and one of their updates corrected it.
Lenses similar to this achieve high quality imagery that was historically only possible via purely optical means using expensive, complex and bulky/heavy lenses. Canon, like other lens makers, are taking advantage of computational photographic algorithms pioneered for cell phones to 'pixel wrangle' the images taken straight out of camera that would otherwise show significant distortion and, by their application, correct the images to a high standard.
This is done by the camera shooting at a wider angle of view to that indicated in the specs to produce a field of view that is essentially as if taken with a lens about 3mm shorter FL. That extra space is then used to make the computational corrections and render a clean, correctly aligned image at the specified focal lengths. This is done in-camera for JPG files, but has to be done by PP software when RAW images are imported.
This method is being used in a larger number of lenses to afford performance at a much cheaper cost and with much less complex and heavy optics. It also means that the software can be tweaked for corrections or to customize it for specific sensors. One of my other lenses the RF 14-35L f/4 also uses this methodology.
This is where the issue has occurred. For some reason, the algorithms have not worked correctly and created the pattern you see here. Updating the software should correct the problem.
10-29-2024 02:15 PM - edited 10-29-2024 02:38 PM
It is absolutely an Adobe issue! They have been aware of it for some time and I thought was resolved with the Oct 15th 2024 update. If you have the ability to update I would give it a try. The update to the V3 lens profile should resolve it.
If you are not able to update check your lens profile in LR or PS and you will find by changing it to the prior version (lens profile) it will remove the fringing.
PS Camera Raw
Open an image that you have using the Canon RF 24-240mm lens with fringing in Camera Raw. scroll to the Optics panel and you will find three profile options listed. Select the profile one profile earlier (should be V3 to V2).
Lightroom Classic
Open an image that you have using the Canon RF 24-240mm lens with fringing in Lightroom Classic. Open the 'Lens Corrections' panel. Next, select the 'Profile' drop down menu. You'll see three profile options listed. Select the profile identified as v2, see below:
Again, if your subscription is active it's best to update, it resolved the issue for me.
Hope that helps.
R3 ~ R5 ~ R6 Mk II ~ R50
Lenses: RF Trinity and others
Adobe and Topaz Suite for post processing
Personal Gallery
10-29-2024 03:29 PM
Thank you everybody who replied. It never occurred to me that it was a software issue. I opened the banded pictures using ON 1, and there is no banding. It is weird that I have taken thousands of pictures with the RF 24-240mm, and it is just recently that the banding has occurred. I'll update Lightroom and hope that the issue has been fixed. Thanks again everyone.
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