June 2019
Beginner
156 pages
4h 59m
English
Content preview from 50 Things Photographers Need to Know About FocusBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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24. FOCUS AND RELEASE PRIORITY
BUILT INTO EVERY autofocus camera is a program that controls what the camera can and cannot do. A default feature used by most brands is one that has frustrated many photographers: when you press down on the shutter button, but the camera won’t allow a photo to be taken. We’ve all been there, wondering what is going wrong, frustrated that the camera won’t fire a shot.
The most common reason for this problem is that the camera wasn’t able to determine focus and thus was not allowed to take a photo. This is not always clearly stated in the instruction manual, but when in Single AF Mode, the camera must determine focus ...
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