This is a great light weight bag to carry a large amount of equipment. The size will work as carry-on when traveling by air. It is designed to easily get to your equipment with the easy to use zipper compartments. It will hold my camera, 300mm f/4 lens, 70-200mm f/2.8 lens, plus still room for more lenses or another camera body. There are pouches to store cables,filters or what ever you need.