This carry-on Airport Commuter backpack from Think Tank fits most overhead compartments and can hold a gripped digital SLR, 400mm f/2.8 lens, 15"" laptop, 10"" tablet, plus additional lenses and gear. Inside the main compartment are thick customisable dividers to keep your camera gear safe, snug and well protected, while the front zippered compartments with organiser pockets offer space for smaller items and accessories. A rain cover is also included for maximum protection against the elements.
