Did Any of You Know About This Mechanical Automatic Lens Cap?

If there is an accessory that's harder to keep up with lens caps, then I'm not sure I want it. Lens caps are, of course, super important. They protect the front element of our expensive lenses from debris like dust, dirt, and sand, and they do a mighty fine job of protecting them from scratches when in storage. As great as they are, though, they can be a pain to keep up with and are easily lost. An image of a fully automatic screw-on lens cap recently appeared on the web though, and we wondered,...