Think Tank Photo Lens Changer 35 V2.0 Lens Case (Black) Fits 2470mm f/2.8 with the lens hood in the shooting position, 100mm macro with the lens hood in the shooting position, 105mm macro with the lens hood in the shooting position Rotate or lock components on a belt Wide-mouth opening for quick one-handed access Attaches to any Think Tank Photo Modular belt or belt pack (sold separately) External Dimensions: 9.0" H x 4.5 Diameter (22.9 x 11.4 cm), Internal Dimensions: 8.8" H x 4.3" Diameter (22.4 x 10.9 cm), Weight: 0.3 lbs (0.1 kg)