This bag is well made, looks solid and well protect my Nikon D5100 with zoom 18-105. I hesitated with a backpack and then reading the reviews I was told that it could be enough, but unfortunately I'm a bit disappointed by the too small pockets that do not allow me to take my battery charger ( though not huge) nor my UV filter in its original box. I'll have to find another way to protect it properly and can be inserted into one of the pockets.
Basically in the pockets can be put, of spare batteries, additional SD cards and that's about all.