Shooting Problem Subjects For The Autofocus - Canon PowerShot S40 User Manual

Shooting Problem Subjects for the Autofocus

The autofocus may not work well on the following types of subjects.
Subjects with extremely low contrast to the surroundings
•
Subjects mixing close and far objects
•
Subjects with extremely bright objects at the center of the composition
•
Subjects that are moving quickly
•
To shoot these subjects, first aim the camera at an object at a similar distance, lock the
focus and recompose the image with the desired subject, or use the manual focus.
○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
• When shooting through glass, get as close as possible to avoid reflections off the
glass.
Shooting with Focus Lock
Focus Lock Method 1
1
Press the
2
Aim the AF frame at an object at a similar distance to the
subject you wish to shoot.
3
Press the shutter button halfway to lock the focus.
• The AE setting will also lock when you do this. The exposure may
occasionally be incorrect if the difference between the two items is too
great. Use Method 2 or the AE lock procedure when this happens.
4
Keep it pressed while you recompose the image and press the
shutter button all the way to shoot the image.
84
Shooting - Selecting Particular Effects
button to turn on the LCD monitor.