Photo Canon Lens
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Noooooooo! My Canon L lens can't be vignetting, can it?
Taking photos this morning in the fog, and when I downloaded them to the computer they were four dark corners on many of the photos. Camera: Canon 5D Lens: Canon 70-200 "L"
This can't be happening can it? This lens has been a dream for me.
Please help. And thank you.
Edit: The scalloped hood was not attached. The lens is the f/2.8, and the apertures were between f/5.0 and f/8.0. Next time I will dial the apertures down.
I shot some sports stuff last week and the apertures were f/11 or smaller and they look OK.
Did the fog have anything to do with it?
Edit2: the only filter was a UV piece of glass to protect the lens.
Edit3: Bill P. are you telling me that either my camera or my lens is a knock off? The shadows are not my imagination.
Both the f/2.8 and the f/4 versions do vignette slightly on a full-frame sensor, but only at large apertures. (The f/4 a bit more than the f/2.8.)
It's a heck of a good lens but it ain't perfect.
And like I said, only at large apertures. If you were shooting at f/8 or so, that can't be the cause. Other possible problems: if the scalloped lens hood was attached incorrectly, or if you were stacking filters.
---
just checking back...
I sincerely doubt that your 5D or 70-200 is a knock-off. The problem with vignetting is very slight but real - you can verify this with a 5 minute Google investigation.
You can check the extent to which your lens vignettes and determine if the filter makes things worse by taking some test shots (of a clear blue sky or a white wall for example, with and with out the filter, at various aperture settings, and at various zoom setting.)
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