It all fits in, Nikon SLR camera, 2 lenses and in the 2 additional pockets with zipper on the back wall of the backpack fit spare batteries, lenses, and other small parts prima pure. The extra pocket on the front with zipper can be used for personal items such as wallet and so on. Both zippers have to move in both directions and can travel with small padlocks (not included) to be completed. The padding inside is to be used at will thanks to the many hook and loop fasteners. Conclusion: Super Backpack for camera