It’s time to appreciate that lens you’re always looking through. The Discovery Channel has a great segment on the incredibly difficult process of manufacturing a lens. The process takes over six weeks and uses tons of hands-on labor.
If you’re feeling inspired and want to make your own telephoto lens, you’re probably out of luck. But you can make your own camera. Bre Pettis of Make has a great video tutorial on how to make a pinhole camera. See the video below: