Rolanpro Nylon Waterproof Lens Cover for Sony FE 600mm F/4 GM OSS Lens Protection Sleecee Case Guns Clothing Lens cover for Sony FE 600mm F/4 GM OSS Sony FE 600mm F/4 GM OSS shot gun cover consists of 5 parts. Rolanpro guns clothing are designed and produced in strict with the lens function, and will not affect the manual focus and auto focus. The materials are environmentally friendly and have no smell. When the guns clothing installed, the focus ring can be turned independently, the zoom ring rotation damping will not change, and the control switch has a window. Lens hood still can be fixed at opposite direction. The outside of the gun clothing material is firm and the inside material is soft. It is made of polyester oxford fabric and black short velvet. The outside material is wear-resistant and scratch-resistant, and the inside material is soft and protective.