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PostPosted: Wed Jun 29, 2011 7:05 pm 
I just got a Canon 7D and mainly wanted it for shooting sports. Football mostly. I have been using an XSi for the past few years with an EF 70-300mm f4-5.6 IS USM lens. So this is quite an upgrade and Im excited to start using it. I have been reading the manual and watching videos on all of the features of the camera. With the XSi I basically used single point focus in AI Servo mode which would result in the camera sometimes losing focus on the subject when many players came in the frame during continuous shooting. After reading through the 7D's manual I think Im going to use AF Point Expansion over Zone AF. Seeing as how that is close to what Im used to using and the manual states that it is easier to focus the target subject with AF Point than Zone AF.

Can I use the custom function settings under C.FnIII:Autofocus/Drive when using AF Point Expansion or are those settings only used with 19 point AF? I would like to choose focus on the target subject over speed and focus on other objects that enter the picture.

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PostPosted: Wed Jun 29, 2011 11:33 pm 
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Joined: Mon Dec 11, 2006 7:01 am
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Location: bit east of Melbourne
You may find this useful.

Canon Powershot S95, Canon 6D,7D, Canon 40 2.8 STM, Tamron 24-70 2.8 VC, Canon 17-40 L, Canon 15-85, Canon 85 1.8, Sigma 30 1.4, 50mm 1.8, Canon 100 2.8L Macro, Canon 70-300L +Kenko 1.4 Pro 300DGX, Canon 430EX II and RS 4 Classic

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PostPosted: Fri Jul 01, 2011 8:07 pm 
Thanks for that article.

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