“Free theft protection & monitoring for cameras, lenses & video equipment.” That is what Lenstag claims to be. The website is simple and with a very clean design. The purpose? Enter your cameras and lenses. Include your serial number. Verify you own the equipment by taking a picture of the serial number. If your gear was stolen, mark it as such and share your custom gear page. They even have a global stolen gear page! Traded with someone? Easily mark your gear as a trade and Lenstag will convert the gear with the new user. Accounts are free, so sign up today.