LensCoat® for Canon RF 100-400mm f/5.6-8 IS LensCoat® telephoto lens covers provide your valuable device with protection from scuffs and bumps and thus preserve its resale value. It also helps break the shape of your lens and makes it less noticeable for wildlife. The LensCoat® 100-400 features clear plastic windows with auto focus and image stabilisation control as well as distance scale. * This cover comes with an optional piece for the lens is magnified to 400mm which can be quickly and easily attached and removed with its Velcro fastener. In addition, the piece for the lens umbrella is as shown in the picture.