19) Sort It Out.
Like so many of us, G. Michael Anthon of Walton Hills, OH, couldn't tell which lens was which in his camera bag. After all, from the rear end, all lenses (and lots of other things) look pretty much alike. But unlike so many of us, Anthon decided to do something about it. Now he uses a metallic silver marker to note the focal length of each on the rear lens cap. He also marks the body cap from the camera (5D, 30D, etc.) and mates it with the marked rear lens cap while the lens is on the camera.