| http://www.w3.org/ns/prov#value | - Because contrast AF systems do not require additional hardware, the cost of providing both types of systems is relatively low.FIGS. 4A and 4B illustrate that the camera 10 can include a view finder 47 and may optionally also include a flash (such as a xenon flash) and/or a light sensor 49 and accompanying flash control circuit for facilitating exposure (brightness)control.
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