Olympus Camedia C-830L ユーザーガイド
E
AUTOFOCUS
82
Although the autofocus can lock on virtually any subject, there
are certain conditions, such as
are certain conditions, such as
1
~
3
shown below, where it
may not be possible to obtain the correct focus. In the
situations shown below in
situations shown below in
4
~
5
, autofocus may not lock on
the correct subject even though the Condition indicator LED
lights and the shutter releases.
lights and the shutter releases.
1
Subjects with low contrast
n
Use the focus lock by first focusing on something at the
same distance as the subject you wish to take a picture
of, and then aim at the subject.
same distance as the subject you wish to take a picture
of, and then aim at the subject.
2
Subjects that do not contain vertical lines
n
Use the focus lock first while holding the camera
vertically. Then switch the camera to the horizontal
position to take the photograph.
vertically. Then switch the camera to the horizontal
position to take the photograph.
3
Subjects in excessively bright light
n
Use the focus lock by first focusing on something at the
same distance as the subject you wish to take a picture
of, and then aim at the subject.
same distance as the subject you wish to take a picture
of, and then aim at the subject.
4
Two subjects at different distances
n
When the subject looks out of focus even though the
Condition indicator LED lights, focus on another subject
at the desired camera-to-subject distance first. Then
recompose the frame to take the picture.
Condition indicator LED lights, focus on another subject
at the desired camera-to-subject distance first. Then
recompose the frame to take the picture.
5
High-speed subjects at close range
n
Focus on another subject at the desired camera-to-
subject distance first. Then recompose the frame to
take the picture.
subject distance first. Then recompose the frame to
take the picture.
1
2
5
4
3