Canon EOS 70DW Instruction Manual

Contents

Canon EOS 70DW Instruction Manual Manual pdf 109 page image

109Autofocus can fail to achieve focus (viewfinder’s focus confirmation light<o> blinks) with certain subjects such as the following:Subjects Difficult to FocusVery low-contrast subjects(Example: Blue sky, solid-color walls, etc.)Subjects in very low lightExtremely backlit and reflective subjects(Example: Car with a highly reflective body, etc.)Near and far subjects covered by an AF point(Example: Animal in a cage, etc.)Repetitive patterns(Example: Skyscraper windows, computer keyboards, etc.)In such cases, do either of the following:(1) With One-Shot AF, focus an object at the same distance as thesubject and lock the focus before recomposing the shot (p.75).(2) Set the lens focus mode switch to <MF> and focus manually(p.110).When Autofocus FailsFor subjects difficult to focus during Live View shooting or movie shootingwith [u+Tracking], [FlexiZone - Multi], or [FlexiZone - Single], see page241.