The Orca Backpack is a comfortable, expertly designed backpack made to carry around heavy gear on location. The Orca Backpack has an aluminum frame, layers of foam and EVA to offers ultimate protection for delicate gear and accessories. The Orca Backpack comes in 3 models: OR-20, OR-22 and OR-24. The OR-24 was designed to hold the Sony EX3, PMW-300 or similar sized cameras.