Think Tank Photo Lens Changer 25 V2.0 Lens Case (Black) Fits zoom lenses, such as the 14-24mm f/2.8, 2470mm f/4, with the lens hood attached in the reversed 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: 7.2" H x 4.5 Diameter (18.3 x 11.4 cm), Internal Dimensions: 7.0" H x 4.0" Diameter (17.78 x 10.0 cm), Weight: 0.3 lbs (0.1kg)