I am going to Disney soon and am trying to decide on a good lens to purchase, I need something wide enough to get landscapes but also want to be able to shoot family pictures that have good quality, I have a 70-200 2.8 and 50mm 1.4. I have been considering the canon 17-40, 10-22, sigma 18-35, (I have a 7d and EOS-m) thanks in advance

