January 2021
Intermediate to advanced
448 pages
16h 9m
English
Content preview from David Busch's Sony Alpha a7C Guide to Digital Photography
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Mastering Autofocus Options |
8 |
The autofocus system found in the Sony a7C is one of its most innovative features. The camera has the ability to lock in on subjects, track their motion, switch to face detection/tracking, then progress to even more precise eye detection—and then backtrack to the other methods as movement continues through the frame. That’s particularly impressive because, when mirrorless digital cameras were originally introduced, they didn’t excel at autofocus.
The mirrors found in traditional SLRs had two distinct advantages: they allowed previewing an image through an optical viewfinder and made it possible to direct some of the incoming illumination to a separate electronic autofocus system. At the moment of exposure, ...
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