Think Tank Photo Lens Changer 15 V2.0 Lens Case (Black) Fits smaller lenses such as 50mm f/1.4, 85mm f/1.8 and teleconverters; other lenses without the hood can fit i.e. Canon 100mm macro 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: 6.4" H x 3.7 Diameter (16.3 x 9.4 cm), Internal Dimensions: 6 H x 3.3" Diameter (15.2 x 8.4 cm), Weight: 0.2 lbs (0.1 kg)