The?Vanguard Skyborne 51 Backpack?(Dark Gray) is designed to carry and protect a large amount of gear securely. It can carry 1~2 Pro D-SLR cameras with attached lens up to 70-200mm f/2.8, 3-4 extra lenses, a flash unit and accessories such as: memory cards, cables, battery and charger. It also holds a laptop computer with a screen up to 15″ in a well padded compartment with anti-theft buckles. The pack has a quick access opening top (holster case-style) with smooth opening zipper. Attach a tripod to an adjustable, buckled strap and holder.