What Canon needs to do for FF.

They need to release a much better performing wide angle lens. The EF-S 10-22 on a 40D is better than the 16-35/17-40 on the 5D. The 14 2.8 II is a disappointment. I'm willing to bet there will be a 17-40 update.

Trudno się z tym nie zgodzić. A więc tylko Sigma?