If you haven't heard of LensTag, it's about time you did! LensTag provides easy theft protection for all your cameras, lenses and anything else with a serial number. Register/verify your devices as soon as possible and, in the case that anything is ever stolen, you will have a registered serial number online to help you track your gear down. It's not fool proof, but has worked in the past so it's worth a shot. Plus, it's completely FREE!