A camera includes a focus adjusting system; first and second switches for a focus adjusting system and an exposure device; and a controller. If the second switch is operated before the focusing lens group reaches a specified focal length position, the search operation stops and the exposure device activates after the focus adjusting system performs the search operation until an infinite focus position. If the second switch is operated after the focusing lens group reaches the specified focal length position, the search operation immediately stops and the exposure device activates. If the in-focus position is detected by the search operation after completion thereof, the focusing lens group moves to the in-focus position and the exposure device activates. If no in-focus position is detected by the search operation after completion thereof, the focusing lens group moves to the specified focal length position and the exposure device activates.

 
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< Image pickup apparatus and flash unit and method of controlling the same

> System and method for exhibiting image focus information on a viewfinder

> Lens module with grating

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