The protactic bp 250 aw is lowepros next generation of travel ready backpacks the bp 250 is designed to hold and protect a compact system camera such as an olympus om d e m1 with 12 40mm lens attached 3 4 lensesflashes an 11 macbook air plus small accessories the next generation pack design includes enhanced protection with a built in all weather aw cover and cradlefit laptop compartment plus three primary storage zones to help keep you organised and ready for the fast pace of modern