Nikon Coolpix 8800 User Manual - Page 32
AF /AE Lock, The AE / AF-L Button, Getting Good Results with Autofocus
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Basic Photography Getting Good Results with Autofocus Autofocus performs best when there is contrast between the subject and the background and the subject is evenly lit. It does not perform well with very dark subjects (unless the AF-assist illuminator is on and the subject is within range of the illuminator), low-contrast scenes (e.g., where the subject is the same color as the background), scenes containing objects at different distances from the camera (e.g., where the subject is inside a cage), or subjects that are moving rapidly. AF/AE Lock Focus and exposure are locked when the shutter-release button is pressed halfway, and remain locked while the shutter-release button is held in this position (focus lock). Focus lock can be used to take pictures of off-center subjects or in situations in which the camera is unable to focus using autofocus. 1 Focus 2 Check focus indicator 8M 8M 1/60 F2.8 126 1/60 F2.8 126 Position subject in center of frame and Check that focus indicator glows steadi- press shutter-release button halfway. ly, indicating that subject is in focus. 3 Recompose picture 4 Take picture 8M 1/60 F2.8 126 Focus and exposure are locked while shut- Press shutter-release button rest of way ter-release button is pressed halfway.* down to take picture. * Do not change distance between camera and subject while focus lock is in effect. If subject moves, release shutter-release button and focus again at new distance. The AE/AF-L Button Focus and exposure will also lock while the AE/AF-L button is pressed (if desired, the AE/AF-L button can be used to lock focus but not exposure, or vice versa; 139). 22