From the first prototype of 1975 to Sony's Cyber-shot RX1 of 2012, here's a chronicle of photography's inevitable march to digital
1995 Ricoh RDC-1
This model got the photo/video convergence rolling by being the first digital still camera to record video. It shot 5-second 768x480-pixel clips with sound at a smooth 30 frames per second, and saved them in the then-new MPEG format. And it could play them back on its color 2.5-inch LCD or a connected TV.