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    Difficult subjects for AF (Auto Focus)

    22-Nov-2007
    8000353200

    Difficult subjects for AF (Auto Focus)


    AF (Auto Focus) can fail to achieve focus (the focus confirmation light blinks) on certain subjects such as the following:

    (a) Low-contrast subjects.
    ex. blue sky, solid-color walls
    (b) Subjects in low light.
    (c) Extremely backlit reflective subjects.
    ex. car with a reflective body
    (d) Overlapping near and far objects.
    ex. animal in a cage

    In such cases, do either of the following:

    1. Focus on an object at the same distance as the subject and lock the focus before recomposing.

    2. Set the lens focus mode switch to <MF> and focus manually.
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