The black Telephoto Lens Cover for the Sigma 50-500mm f/4.5-6.3 APO DG OS HSM Lens from LensCoat is a 100% closed-cell neoprene coat that protects the lens from bumps and scratches. It is ideal for nature, outdoor photographers, sports shooters and photojournalists. It also provides a thermal barrier, protecting your hands from cold lenses in lower temperatures. The cover is waterproof, providing protection in inclement weather.
The cover contains a clear plastic window through which you can access the auto focus and distance scale. It also comes with a piece for when the lens hood is zoomed out to 400mm. It is quickly and efficiently installed and removed via its touch fastener. This version comes in a matte all-black finish to better blend in where desirable. Or, it can be used just for its protection value.