Is the 70-200mm 2.8 non IS weather sealed? and I think I will have to take a look at the sigma 50mm 1.4 and compare to the canon version, I will also look at the 16-35.
I plan to do pity much the same thing, I want the 16-35 or 17-40mm change up the 50mm to a 1.4 as I love my fifty lol and I plan to get a 5D MK III sometime in the next few years most likely.
I feel like I should pick up a 70-200mm f2.8L and get a 50mm 1.4 in a few months, or get the 16-35 or 17-40mm so I ca