i fit hellbents in mine fine, but yes it was a little harder to get them in there, the one problem i have with the ones that make an A or go flat up with the back is your tails hit your heels alot, but thats just preference
what kind of camera equiptment are you carrying, a small point and shoot a dlsr, 3 chip? if its a bigger camer get the dakine sequence or the other one, i was dumb and figured i would ride with 2 backs....what a dumb move im going to throw down and get an expensive pack that can carry all of my shit