| 摘要 |
An automated focus point control device wherein the focus point is aligned by adjusting a projection optical unit based on signals outputted from a sensor which detects the light transmitted through a boundary portion of a margin portion and a frame portion of a film. An automated focus point control device wherein the focus position is determined by detecting a projected image contrast on a priority basis at three points including the center position and lateral positions at both sides of the center position within the adjusting range of a projecting system.
|
