This Lowepro Pro Trekker BP 450 AW II Backpack is a rugged bag that is designed to comfortably and securely carry your mobile photo studio while meeting the carry-on requirements for most international and US airlines. Its spacious main compartment features an adjustable partition system with 11 dividers that can fit a DSLR or mirrorless camera with a 70-200mm f/2.8 lens, a 300mm f/2.8 lens, three additional lenses, and a shoe mount flash. Alternatively, the main compartment can be configured for a DSLR or mirrorless camera with a 70-200mm f/2.8 lens, three to four additional lenses, plus a folding drone kit. To enhance the ability to Organize this backpack's contents, a Lowepro Gear Box equipment pouch is included. Cords, adapters, and other essentials for the devices carried by the Pro Trekker BP 450 AW II can be inserted within the Gear Box, keeping them Organized under the partition system.