Sigma 10-20 to Sigma 8-16.... Would you, Could you, Should you?

Started Aug 7, 2010 | Discussions thread
Paul De Bra
Paul De Bra Forum Pro • Posts: 12,491
The Canon 10-22 really is rectilinear.

When you wrote:

... also the sigma has amazing corner sharpness, it's also a rectilinier lens while the 10-22 is not.therefore I am getting the Sigma 8-16 for my T2i...
you were mistaken.

The Canon 10-22, Sigma 8-16, 10-20, Tamron 10-24, 11-18, Tokina 11-16 and 12-24 are all rectilinear. Only the Tokina 10-17 is a fish-eye lens.

Now, while rectilinear there may be a bit of barrel distortion with these lenses, at the wide end. This is true for all of them, but some have a bit more distortion than others. The Canon 10-22 has low distortion and so does the Sigma 8-16.

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