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8
Tips
Getting good results with autofocus
Autofocus performs best when:
• There is contrast between the subject and the background. For example,
autofocus may not perform well on subjects that are the same color as the
background.
• The objects in the focus brackets are all at the same distance from the camera.
• The subject is motionless.
• The subject is evenly lit.
• The subject is well lit (the subject should not, however, be too much brighter than
the background).
Autofocus mode
The autofocus system operates in one of two modes: continuous or single. In
continuous AF mode, the camera adjusts focus continuously so that the camera is
ready to take a photo at any time. Note however that this allows you to take pictures
even when the camera is not focused; check the AF lamp before shooting. In single
AF mode, the camera focuses only when the shutter-release button is pressed half
way. This saves battery power, but there will be a slight delay before the camera is
ready to take a picture. In A-REC mode, the autofocus mode is determined by whether
the LCD monitor is on or off: continuous AF is used when the monitor is on, single AF
when it is off. These settings can be changed in M-REC mode; see page 21 of this
manual for more information.
Taking Photographs: Composition and Focus
After framing your photograph, you can check autofocus by gently
pressing the shutter-release button half way. If the camera is able to
focus on the subject framed in the viewfinder focus brackets, the AF
lamp will glow green. Focus will remain constant as long as the shutter-
release button is held halfway down; this “focus lock” can be used to
focus on a subject that is off-center in the final composition (see the
Fast Track Guide
). Zoom can not be adjusted while focus lock is in
effect.
If the camera is unable to focus, the AF lamp will blink rapidly. In this
case, use focus lock to focus on an object at the same distance from
the camera as your subject, then recompose your photograph. Alter-
natively, you can use a focus setting of Infinity or one of the manual
focus settings available in M-REC mode (see the
Fast Track Guide
).
Note that if the monitor is off, you will not be able to take photographs
while the AF lamp is blinking.
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