Fotasy Self-Retaining Auto Open Close Lens Cap for Nikon Coolpix P7700 P7800 Camera This lens cap opens and closes automatically with the extension and retraction of the lens Without touching the lens cap, the camera responds instantly to sudden shutter opportunities by just turning on the power Protect the lens with a lens cap that can't be lost or forgotten Innovative design for Nikon Coolpix P7700 P7800 Fotasy Premier Cleaning Cloth