Evening peeps 
Just picked up a 20D and am struggling with a setting.
Its far far more complexed than my 300D
.
When set in M, AV, TV and using AF i have to press one
of the thumb buttons + or - on the body for it to focus.
I cant find the setting on the camera to use the shutter
button to focus - can some kind soul poin me in the right direct
Cheers
Andy

Just picked up a 20D and am struggling with a setting.
Its far far more complexed than my 300D

When set in M, AV, TV and using AF i have to press one
of the thumb buttons + or - on the body for it to focus.
I cant find the setting on the camera to use the shutter
button to focus - can some kind soul poin me in the right direct

Cheers
Andy
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