Pinhole cameras could be quickly and cheaply built working with
things you already have lying around your house. That is exactly what
Korean photographer Kwanghun Hyun does with his Heartbeat cameras. The
two cameras put together up to now offer one wicked design solution:
each use sophisticated watch movements being an internal timing
mechanisms. Kwanghun Hyun's Heartbeat cameras are using watch movements to regulate the length the shutter will be open.
