Canon 300X 사용자 설명서
31
When Autofocus Fails (Manual Focusing)
Autofocus can fail to achieve focus (the focus confirmation light
<n> blinks) with certain subjects such as the following:
<n> blinks) with certain subjects such as the following:
Difficult Subjects for Autofocusing
• Low-contrast subjects.
Example: Blue sky, flat surface with a solid color.
• Subjects in very low light.
• Extremely backlit or reflective subjects.
• Extremely backlit or reflective subjects.
Example: Automobile with a strong reflection.
• Overlapping near and far objects.
Example: Animal behind bars in a cage.
• Subjects having a repetitive pattern.
Example: Personal computer keyboard, windows on a building, etc.
In such cases, do one of the following:
(1) Focus lock an object at the same distance as the subject and
(1) Focus lock an object at the same distance as the subject and
recompose.
(2) Set the lens focus mode switch to <MF> and focus manually.
If you hold down the shutter button halfway while focusing
manually, the active AF point mark and the focus confirmation light
<n> will light when focus is achieved.
manually, the active AF point mark and the focus confirmation light
<n> will light when focus is achieved.
? Manual Focusing
1
Set the lens focus mode switch
to <
to <
MF
>.
2
Focus the subject.
•
Focus by turning the lens focusing
ring until the subject is in focus in
the viewfinder.
ring until the subject is in focus in
the viewfinder.
Focus ring