Focusing device and method

Focusing device for digital camera including contrast...

Focusing device that adjusts focus based on a measured...

Focusing device with uninterrupted excitation

Focusing information detecting device, focus detecting...

Focusing position detecting device incorporated in a microscope

Focusing state determining adapter for taking lens

Focusing state determining apparatus

Focusing state signal output apparatus for a microscope...

Focussing and focal length adjusting device for a video camera

Four color separation optical device

Four-dimensional polynomial model for depth estimation based...

Foveating imaging system and method employing a spatial...

Framing aid for a document capture device