Vicente wrote:
> >> "Vicente" wrote:
> >> First point is that AF sensors are not on the focusing screen but
> >> under the mirror. ...
> >
> >Hi Vincente,
> >
> >Are you sure that the AF sensors are under the mirror and not nearer the
> >viewfinder?
>
> It was always under the mirror.
> Don't think that Elan7 is different that the rest of the EOS line.
The actual AF sensors are behind the mirror. The components that superimpose the
focus points onto the focusing screen are built into the viewfinder.
> >Can anyone then explain "BASIS" on this technical diagram on the Canon
> >Japan website?
>
> It's the EYE control.
I have no explanation of the meaning of "BASIS," but as Vincente points out, it
is the sensor/processor for Eye-Controled Focus. On the EOS 3 at any rate, it is
located above the viewfinder window, oriented horizontally (flat).
fcc
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