Hi everyone, just started having image issues today in the form of a dark band covering about 25% of my images. It's darker at the bottom (in landscape format) and fades back to the correct colour image at about one-quarter height. If I use vertical format, the band is along the lhs or rhs depending on how I hold the camera. The annoying thing is that it only happens when I use my EF 70-300mm F4-5.6 IS USM lens with my Canon 6D body. If I use this body with a different lens - no problem. Similarly if I use the lens with a different body (my 500D), no problem. I've contacted Canon UK and have been asked to wait for their answer. Would appreciate some advice. (NB - I'm not using flash for the problem images).
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Can you post an example?
Can you see it in the viewfinder? You might try turning off all error correction for this lens.
Sounds like something strange in the lens. However, since there is nothing straight inside a lens, I am not sure what it could be.
You might try to look into the camera and see if you see any loose felt or plastic.
The image is of an EF-S lens I own, not the EF lens causing the problem. I’m using the image to show the problem. I am hope to sell it, hence the reason for taking the image, using the 70-300mm zoom that’s causing the issue.
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