The LC-95 is a 95mm Snap-On Front Lens Cap designed to fit the AF-S NIKKOR 200-500mm f/5.6E ED VR lens protecting the front element from dust dirt smudges and scratches when not in use. Compatibility: AF-S NIKKOR 500mm f/5.6E PF ED VR AF-S NIKKOR 200-500mm f/5.6E ED VR