Got a telephoto lens without a case? Camera gear can cost an arm and a leg, so it’s a good idea to protect your investment with at least a modicum of safety. If you’re looking for something light on the pocketbook, but capable of protecting your kit, Instructables member marcellahella came up with this super cool case for your super zoom lens using a couple of plastic soda bottles, some dental floss, a foam pad, and a zipper. [via LifeHacker]