Canon 4587A023 Instruction Manual - Page 51
When Autofocus Fails (Manual Focusing), Manual Focusing
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When Autofocus Fails (Manual Focusing) Autofocus can fail to achieve focus (the focus confirmation light 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. Example: Automobile with a strong reflection. • Overlapping near and far objects. Example: Animal behind bars in a cage. In such cases, do one of the following: (1)Focus lock an object at the same distance as the subject and recompose. (2)Set the lens focus mode switch to and focus manually. 8Manual Focusing 1 Set the lens focus mode switch to . 2 Focus the subject. • Turn the lens focusing ring until the subject looks sharp. Focus ring If you hold down the shutter button halfway while focusing manually, the AF point achieving focus will flash in red and the focus confirmation light will light. 51