Canon DS126251 Manual Do Utilizador
92
Autofocus can fail to achieve focus (the focus confirmation light <o>
blinks) with certain subjects such as the following:
blinks) with certain subjects such as the following:
Subjects difficult to focus
Very low-contrast subjects
(Example: Blue sky, solid-color walls, etc.)
(Example: Blue sky, solid-color walls, etc.)
Subjects in very low light
Extremely backlit or reflective subjects
(Example: Car with a highly reflective body, etc.)
(Example: Car with a highly reflective body, etc.)
Near and far subjects covered by an AF point
(Example: Animal in a cage, etc.)
(Example: Animal in a cage, etc.)
Repetitive patterns
(Example: Skyscraper windows, computer keyboards, etc.)
(Example: Skyscraper windows, computer keyboards, etc.)
In such cases, do one of the following:
(1) With One-Shot AF, focus an object at the same distance as the
(1) With One-Shot AF, focus an object at the same distance as the
subject and lock the focus before recomposing (p.52).
(2) Set the lens focus mode switch to <MF> and focus manually.
1
Set the lens focus mode switch to
<MF>.
<MF>.
2
Focus the subject.
Focus by turning the lens focusing
ring until the subject looks sharp in
the viewfinder.
ring until the subject looks sharp in
the viewfinder.
When Autofocus Fails
MF: Manual Focusing
If you press the shutter button halfway during manual focusing, the AF point
which achieved focus will be displayed and the focus confirmation light
<o> will light in the viewfinder.
which achieved focus will be displayed and the focus confirmation light
<o> will light in the viewfinder.
Focusing ring
COP
Y