The lowepro magnum 650aw can carry 1 2 pro dslrs with a 70 200mm f28 lens attached 8 10 extra lenses accessories and a 154 laptopthe lowepro magnum 650 aw is durable and flexible with the internal divider system providing a flexible structure to accommodate lots of gear the premium moulded base offers sturdy stable protection and water resistance meaning that as with all the best tools you can use it without worry