Nikon P300 用户手册
29
Step 3 Focus and Shoot
Bas
ic Ph
otography an
d Pl
ayba
ck
: A
(Auto)
(Auto)
M
ode
B
During Recording
While the indicator showing the number of exposures remaining is blinking, images are being
recorded. Do not open the battery-chamber/memory card slot cover. Cutting the power or
removing the memory card in these circumstances could result in loss of data or in damage to the
camera or card.
recorded. Do not open the battery-chamber/memory card slot cover. Cutting the power or
removing the memory card in these circumstances could result in loss of data or in damage to the
camera or card.
B
Autofocus
Autofocus may not perform as expected in the following situations. In some rare cases, the subject
may not be in focus despite the fact that the active focus area or focus indicator lights in green:
• Subject is very dark
• Objects of sharply differing brightness are included in the scene (e.g. the sun behind the subject
may not be in focus despite the fact that the active focus area or focus indicator lights in green:
• Subject is very dark
• Objects of sharply differing brightness are included in the scene (e.g. the sun behind the subject
makes that subject appear very dark)
• No contrast between the subject and surroundings (e.g. a portrait subject, wearing a white shirt, is
standing in front of a white wall)
• Several objects are at different distances from the camera (e.g., an animal inside a cage)
• Subjects that repeat the same pattern (e.g., window blinds, buildings with multiple rows of similarly
• Subjects that repeat the same pattern (e.g., window blinds, buildings with multiple rows of similarly
shaped windows)
• Subject is moving rapidly
In the situations noted above, try pressing the shutter-release button halfway to refocus several times,
or focus on another subject and use focus lock.
In the situations noted above, try pressing the shutter-release button halfway to refocus several times,
or focus on another subject and use focus lock.
D
Focus Lock
Use focus lock to focus on off-center subjects when Center is selected for AF area mode.
• Be sure that the distance between the camera and the subject does not change.
• When the shutter-release button is pressed halfway, the exposure is locked.
• Be sure that the distance between the camera and the subject does not change.
• When the shutter-release button is pressed halfway, the exposure is locked.
D
AF-assist illuminator
In dark places, the AF-assist illuminator (
A152) may light when the shutter-release button is pressed
halfway.
1/250
1/250
1/250
26
26
26
F5.6
F5.6
F5.6
1/250
1/250
1/250
F5.6
F5.6
F5.6
1/250
1/250
1/250
F5.6
F5.6
F5.6
Position the
subject at the
center of the
frame.
Press the
shutter-
release
button
halfway.
Confirm that
the focus area
lights in green.
Continue holding
down the shutter-
release button
halfway and
recompose the
picture.
Press the
shutter-release
button the rest
button the rest
of the way
down to shoot.