Canon EOS 3 User Manual (en)

Autofocus (AF)
The area AF ellipse has 45 focusing points. By selecting the optimum
focusing point, autofocusing can be executed while you maintain the
desired subject framing. You can also set the AF mode to suit the subject
or intended effect.
First set the <
> switch to <
>. If
necessary, also set the <
> switch to
All 45 focusing points are not displayed at
one time.
 04. C836-E (33~)  28-01-2003  11:10  Pagina 33