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<blockquote data-quote="Joseph Bautsch" data-source="post: 14985" data-attributes="member: 654"><p>Obir, welcome to the Nikonites Community. Auto focus is not as auto as you might think. You have to understand the circumstances under which &quot;auto focus&quot; is most effective. The AF system depends on &quot;contrast&quot; to achieve and lock on focus. Try pointing the camera at a plain white wall and push the release button halfway down. The camera will not focus, not enough contrast for the camera to lock on. The same applies to &quot;low light&quot; shooting. If there is not enough contrast in the subject the camera may sit there with the focus motor working back and forth trying to find focus. The best way to check for focus is the yellow or green dot on the bottom left of the view finder. If it's blinking you're not in focus. With the dot continuously on, the camera has locked on focus. After you have done this for a while you get better at judging what scene will hold a focus and which will not. If you are using flash the focus assist light (it's on by default) will help the camera lock on focus.</p></blockquote><p></p>

[QUOTE="Joseph Bautsch, post: 14985, member: 654"] Obir, welcome to the Nikonites Community. Auto focus is not as auto as you might think. You have to understand the circumstances under which "auto focus" is most effective. The AF system depends on "contrast" to achieve and lock on focus. Try pointing the camera at a plain white wall and push the release button halfway down. The camera will not focus, not enough contrast for the camera to lock on. The same applies to "low light" shooting. If there is not enough contrast in the subject the camera may sit there with the focus motor working back and forth trying to find focus. The best way to check for focus is the yellow or green dot on the bottom left of the view finder. If it's blinking you're not in focus. With the dot continuously on, the camera has locked on focus. After you have done this for a while you get better at judging what scene will hold a focus and which will not. If you are using flash the focus assist light (it's on by default) will help the camera lock on focus. [/QUOTE]

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