Canon PowerShot A70 PowerShot A70/A60 Camera User Guide - Page 117

Shooting Problem Subjects for the Autofocus Shooting 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 manual focus. Shooting with Focus Lock Focus Lock Method 1 1 Press the monitor. button to turn on the LCD 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 when this happens. 113