Autofocus

Diagrams about autofocus.

contrast detection system	contrast detection system	contrast detection system	contrast detection system
phase detection system	phase detection system	phase detection system	phase detection system
phase detection system	phase detection system. cross type sensor	phase detection system. multiple focus point	phase detection system
phase detection system. multiple focus point	coincidence rangefinder	coincidence rangefinder	coincidence rangefinder
coincidence rangefinder	coincidence rangefinder	coincidence rangefinder