The LC-58 is a Snap-on Front Lens Cap for lenses that have a 58mm filter thread. It snaps onto select NIKKOR lenses protecting the front element from dust smudges and scratches when not in use. Compatibility: AF-P DX NIKKOR 70-300mm f/4.5-6.3G ED AF-P DX NIKKOR 70-300mm f/4.5-6.3G ED VR AF-S NIKKOR 35mm f/1.8G ED AF-S NIKKOR 50mm f/1.8G Special Edition AF-S NIKKOR 50mm f/1.8G AF-S DX NIKKOR 55-300mm f/4.5-5.6G ED VR AF-S NIKKOR 50mm F1.4G