Canon 6864A001AA PowerShot A10/A20 Camera User Guide - Page 45

Using the Focus Lock

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_ : Available : Available, but cannot be changed after taking the first shot _ : Not available 3 Take the shot. • Use the LCD monitor to compose close-ups in macro mode since the parallax phenomenon may cause images composed with the optical viewfinder to be off-center. • The exposure may not be optimal when the flash is used in macro mode in the range of 16 to 26 cm (6.3 to 10.2 in.). Using the Focus Lock The following types of subject may not be suited to autofocus photography. Use the focus lock in these situations. • Subjects with extremely low contrast to the surroundings • Subjects with extremely bright objects at the center of the composition • Subjects that are moving quickly • Subjects through glass Try to shoot as close to the glass as possible to reduce the chances of light reflecting back off the glass. How to Use the Focus Lock 1 Aim the camera so that a subject at the same focal distance as the main subject is centered in the brackets in the optical viewfinder. 43

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43
3
Take the shot.
• Use the LCD monitor to compose close-ups
in macro mode since the parallax
phenomenon may cause images composed
with the optical viewfinder to be off-center.
• The exposure may not be optimal when the
flash is used in macro mode in the range of
16 to 26 cm (6.3 to 10.2 in.).
: Available
:
Available, but cannot be changed after taking
the first shot
_
:
Not available
_
Using the Focus Lock
The following types of subject may not be
suited to autofocus photography. Use the
focus lock in these situations.
• Subjects with extremely low contrast to
the surroundings
• Subjects with extremely bright objects at
the center of the composition
• Subjects that are moving quickly
• Subjects through glass
Try to shoot as close to the glass as
possible to reduce the chances of light
reflecting back off the glass.
How to Use the Focus Lock
1
Aim the camera so that a subject at
the same focal distance as the main
subject is centered in the brackets in
the optical viewfinder.