A camera provides an autofocus function by capturing a series of images when a lens is at different positions, analyzing the images to identify a best-focused image, and outputting the best-focused image. Unselected images can be discarded. The camera can include a FIFO buffer that receives image data from an image sensor as the image sensor captures images. When a photographer activates a shutter button, an analysis system, which may be implemented in software, analyzes the images in the FIFO buffer and selects the best-focused image for output. In alternative embodiments, the movement of the lens and the capture of the images can be before or in response to activation of the shutter button.

 
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> Digital camera having a plurality of operation modes of different power consumption

> Apparatuses for a camera head enclosure device for facilitating improved imaging

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