400D has Tamron 17-35 f/2.8-4.0 mounted. The Sigma 15 f/2.8 FE is on the right and the Canon 135 f/2.8 SF and Canon 50 f/1.4 are on the left. Batteries are in mesh area under the camera, CF cards are in the envelope type storage meant for them on upper flap (not see).