--- Maria T Hansson <[EMAIL PROTECTED]> wrote:
> Good morning!
> 
> I'm considering getting a split focusing screen
> mainly to improve my manual
> focussing skills on my EOS 3. Does anyone know how
> well this screen works in
> combination with Eye Controlled Focus? Is the ECF
> any slower using this
> screen, less accurate etc?
> 
> My father has a split image screen on his old Nikon
> body - and I really like
> it. However - as stated earlier - one of the halves
> does turn completely
> black with slower lenses.
> 
> Learning that this is not the case for the EOS
> equivalent I will just have
> to have one... :-)
> 
Hi Maria,

I think the downside of the split image screen in a
body with ECF is that you don't know which focus point
has been selected (assumuing you DO use the ECF
feature).  I believe that with the EOS 5/A2e this was
the case, but I seem to recall that this didn't happen
with the 1N.  I think this was because the focus
points were superimposed using a different method than
that used on the 5 (maybe due to no ECF on the 1N). 
As for the EOS 3, I don't know, but it's something to
consider before doing it.

I put the split screen in my RT because it has only a
single AF point - no chance of confusion!  Even
assuming that my EOS 30 (Elan 7e) had interchangeable
focusing screens I doubt I'd be making the change if
it meant losing visual AF point confirmation.

But it is a nice feature to have on the RT ;-)

Regards
Gary

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