Kaiser 206900 100mm Slip-On Lens Cap (Black)
Designed to fit any camera or enlarger lens, binocular, tele-, micro-, or spotting scope lens. The cap should fit snuggly but not so tight that it is hard to remove. Push-on style cap Slip-On lens cap, made of flexible plastic, black. Diameters are the inside dimensions of the lens cap. This corresponds with the outside diameter of the lens (or filter) which is covered with the lens cap.