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Message: <blockquote data-quote="IanF" data-source="post: 1192769" data-attributes="member: 21">I've tried both methods and I have to say that I'm strongly in favour of using just the central focus point and spot metering or partial as it was on the 20D.  Both the 20D and 40D have just nine focus points. Richard in his article comments on this as he's using the 1DMk11 which has 45 focus points! Obviously that gives more coverage of the sensor. He also points out that the only way to maintain focus on birds in flight with a nine-point system is to use just the centre focus point. Provided you get the centre point over the bird before you half depress the shutter and then wait a second or two before fully releasing the shutter I find I get far more keepers than when using all points selected - even against a plain sky - with EV compensation added.</blockquote>