I am having a problem with difficult subjects using 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.
e.g. blue sky, solid-colour walls
(b) Subjects in low light.
(c) Extremely backlit reflective subjects.
e.g. a car with a reflective body
(d) Overlapping near and far objects.
e.g. an animal in a cage
In cases such as these, do one 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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Other digital SLR camera
Other Film SLR camera
Other EF Fixed Focal Length lens
Other EF IS lens
EF 70-200mm f/2.8L USM
EF 90-300mm f/4.5-5.6
EF 90-300mm f/4.5-5.6 USM
EF-S 10-22mm f/3.5-4.5 USM
EF-S 18-55mm f/3.5-5.6
EF-S 18-55mm f/3.5-5.6 II
Other EF Zoom lens
Other EF Macro lens
Life-Size Converter EF
Other EF lens accessory
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