The black Lens Cover for the Olympus M.Zuiko 300mm f/4 IS Lens from LensCoat is a 100% closed-cell neoprene coat that protects the lens from bumps and scratches. It's a great option for nature and wildlife photographers, as well as sports shooters and photojournalists. It provides a thermal barrier, protecting your hands from cold lens surfaces in lower temperatures. The cover is waterproof, providing protection to your lens in wet conditions.
It is easy to install and remove, leaving no residue on the lens. This cover can also help preserve the resale value of your lens by protecting it from dust, dirt, and other contaminants. The black cover is useful when you are shooting in low light or if you just want a thermal barrier between your hands and the lens surface.