autofocus. Once you have good focus, the red square
turns green.
You are not limited to the central 51-point AF area, like
in Hand-held mode. The screen does not black out while
autofocus is active since the camera is focusing by
detecting contrast changes at the pixel level on the image
sensor. When you fire the shutter, the Monitor will black
out briefly while the picture is taken.
Use this mode for slower shooting and when you need
extreme autofocus accuracy. Contrast-detect autofocus is
rather slow, but very accurate. You can zoom in to
pixel-peeping levels (13x magnification) with the
Playback zoom in button before starting autofocus. This
is great for macro shooting since you can select very
specific sections of the subject for focusing.
The AF-area modes do not apply when you are using
Tripod mode. They are overridden by the bigger
contrast-detect focus square. Be careful in this mode
because the shutter can be released even if the image is
not in focus.
Here are the screens and steps used to choose a Live view
mode (see Figure 8-3):
1. Select Live view mode from the Shooting Menu and
scroll to the right.
2. Select either Hand-held or Tripod mode.
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