Think Tank Photo Speed Demon V2.0 Shoulder Camera Bag (Black/Gray) Fits Standard DSLR, Mirrorless system, 2-3 small zoom/prime lenses, Example: Canon 5D Mark III attached to 50mm f/1.4 plus 35mm f/2 and 100mm f/2.8 Macro Converts from shoulder bag to functional belt pack Integrated waist belt "disappears" by tucking into zippered side pockets Modular rails built into waist belt for adding Modular Rotation System components to increase gear capacity Exterior Dimensions: 12 W x 8.5 H x 8 D (30.5 x 21.6 x 20.3 cm), Internal Dimensions: 9.3 W x 6.8 H x 5D (23.5 x 17.15 x 12.7 cm), Weight: 2.1 lbs (1.0 kg) With all accessories