I can't decide if I should get the retro 30 or the 20? I have owned the 30 before and loved it but now I am wondering about the retro 20? I don't carry much gear the 7D with the 70-200 MKII attached along with a 300 4 IS with a TC and for good measures the Sigma 17-50 2.8 OS.
Will the retro 20 handle this? The reason I am even thinking the 20 is because I like the height