Category Archives: Autofocus History

The quest for autofocus lenses

As the Leica cameras got more sophisticated, engineers recognized that the light meter in the camera displayed a sensitivity to contrast. A frame looked the most contrasty when in focus, Richter said. This observation paved the way for autofocus technology. Leica used its Leicaflex SL2 for the autofocus prototype and equipped a 50 mm lens […]