70D Dark spot corner of image at high shutter speeds

Started 2 months ago | Discussions thread
OP Williamsonj New Member • Posts: 5
Re: 70D Dark spot corner of image at high shutter speeds

Thanks for your reply Ray, it happens outside as well, in fact that's when I first noticed it, then it went away and I thought maybe it was dust, but then today realized it had to do with fast shutter speeds. Now looking back when I first saw the problem all the pictures with it are at more or less 1/1000 or faster, the faster the shutter the bigger the shadow. I attached a few more pictures below, outside at 1/5000 and two this evening of the sky 1/4000 vs 1/320 at f2.8.

So if this is a physical problem is the best thing to send back to Canon for repair or are there any other options?

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