Canon PowerShot Pro70 PowerShot Pro70 Hardware Guide - Page 49

Shooting, Situations Not Suited to Autofocus, Photography, Focus Lock

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• Use the LCD monitor to compose images in macro mode. The actual area shot by the lens is slightly lower in macro mode than it appears in the optical viewfinder (p. 53). Situations Not Suited to Autofocus Photography The autofocus function may not be suited for shooting the following types of subject (the upper indicator will flash green when the shutter button is pressed halfway). Use the focus lock function to shoot the types of subject below. • White walls and other low-contrast objects. • Sports matches, moving vehicles and other moving objects low-contrast objects in dark places. Focus Lock Lock the focus by pressing the shutter button halfway and holding it there. This allows you to shift the orientation of the camera without changing the focal distance. This function is particularly useful for composing an image in which the main subject is off to one side or difficult on which to focus with the autofocus. 47 Shooting

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47
Shooting
• Use the LCD monitor to compose
images in macro mode. The actual area
shot by the lens is slightly lower in
macro mode than it appears in the
optical viewfinder (p. 53).
Situations Not Suited to Autofocus
Photography
The autofocus function may not be suited
for shooting the following types of subject
(the upper indicator will flash green when
the shutter button is pressed halfway).
Use the focus lock function to shoot the
types of subject below.
• White walls and other low-contrast
objects.
• Sports matches, moving vehicles and
other moving objects low-contrast objects
in dark places.
Focus Lock
Lock the focus by pressing the shutter
button halfway and holding it there. This
allows you to shift the orientation of the
camera without changing the focal
distance. This function is particularly useful
for composing an image in which the main
subject is off to one side or difficult on
which to focus with the autofocus.