17-40mm f/4 vs 20mm f/2.8

Started Nov 20, 2003 | Discussions thread
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Daniel Regular Member • Posts: 152
17-40mm f/4 vs 20mm f/2.8

I was thinking of buying the 17-40mm f/4 lens, but want to know if anyone compare it at 20mm with the Canon 20mm f2.8? I would be interested to see both of them at 20mm f/4, f/5.6, f/8, and f/9.

Daniel

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