Nikon 25515 User Manual - Page 30

Basic Photography 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 1/125 F5.6 15 1/125 F5.6 15 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 1/125 F5.6 15 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 Button Focus and exposure will also lock while the button is pressed (if desired, the button can be used to lock focus but not exposure, or vice versa; 132). 20