ROLANPRO Lens Cover for Canon EF 400mm F/2.8 L IS USM Camouflage Lens Clothing Rain Cover Lens Protective Sleeve Guns Case Guns Clothing for Canon EF 400mm F/2.8 L IS USM Not including lens, camera body and tripod. The guns cover is design and produced in the strict accordance with the lens function, will not affect the normal operation of the lens. The focus ring, support ring can be rotated independently, the control panel area can be opened the window, the baffle can reverse installation. Waterproof guns cover material consists of 3 layers: the surface is resistance water fiber layer, the middle is waterproof rubber layer, and the inner layer is soft looped. Some parts are thickened to provide better protection and improved hand feel. There are gap on the split structure of guns cover, it can't be used in the rain. The water repellency of fabrics will decrease gradually with the increase of use time.