The Kaiser 40mm Plastic Lens Cap is a push-on style cap. It is designed to fit any camera or enlarger lens, binocular, tele-, micro-, or spotting scope lens. To use one, measure the outside diameter of your lens barrel. Order the cap size that is 1 or 2 millimeters larger than the size measured. The cap should fit snuggly but not so tight that it is hard to remove.
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Comments about Kaiser 40mm Push-On Lens Cap:
Perfect replacement for Leica pinch tab lens cap which constantly falls off my 50mm Summicron.
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