The Tamrac Aria 6 Messenger bag is one of the most light weight camera bags I have ever owned. I wanted a day bag that could hold a gripped 5D Mark III with a 24-105 or other similar size lens, a 70-200, a speedlight, and an iPad. I already had a Think Tank Retrospective 10 Pinestone which fit the bill and is my current day bag but I found it to be too bulky for travel. I needed something that folded down even flatter than the Retrospective 10 in my suitcase. I also needed something waterproof since I planned to do a lot of beach and seascape photography. The Retrospective 10 is canvas...