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Being SO PLEASED with the Canon 85mm f/1.8 prime lens I bought for my 5D, I decided to upgrade my kit lens. I wanted the Canon 24-70 f/2.8 mark 1, but it's out of stock everywhere. As I'm now off up to the Scottish Islands, I impatiently went for the Sigma instead.
I've just downloaded the first snaps I have taken with it at an event this weekend, and while I'm pleased with anything over about 28mm, if I take any shot wide at 24mm I get some horrendous vignetting:
Am I doing something wrong? Is this to be expected so wide at f/2.8? Have I just made an expensive mistake? Or do you think this is a fault with the lens? Any opinions gratefully received, thanks!
I've just downloaded the first snaps I have taken with it at an event this weekend, and while I'm pleased with anything over about 28mm, if I take any shot wide at 24mm I get some horrendous vignetting:
Am I doing something wrong? Is this to be expected so wide at f/2.8? Have I just made an expensive mistake? Or do you think this is a fault with the lens? Any opinions gratefully received, thanks!