Heartbeat: Beautiful DIY Pinhole Cameras Powered by Watch Movements
Pinhole cameras can be easily and cheaply made using things you have lying around the house... or you can go to the opposite end of the spectrum and fashion yourself a highly intricate pinhole camera. That's what Korean photographer Kwanghun Hyun did with his Heartbeat cameras. The two cameras created so far feature one crazy design choice: they use intricate watch movements as their internal timing mechanisms.