17-55 f2.8 Tamron

Started Feb 19, 2013 | Discussions thread
Tony_J Junior Member • Posts: 38
Re: 17-55 f2.8 Tamron

Then that's the problem. I don't know whether you shoot Nikon or Canon, but here are the test charts for both:

As you can see, quality is severely degraded at f/2.8. Stop down to f/5.6 for best results. Of course, that would mean you'd have to use a higher ISO if you're shooting in a gym, so maybe f/4 is a suitable balance.

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