My favoured method is to use manual focus ;) That way I decide what to focus 
on, and I can use those nice A primes.

Having said that I was asked to take a lot of portrait pictures of children who 
had just received dance certificates. I was getting through one every 45 
seconds or so, and selected one of the peripheral AF points on the MZ-S (with 
FA 24-90) so I could focus on the eyes. 

Nick.

-----Original Message-----
    From: "Shel Belinkoff"<[EMAIL PROTECTED]>
    Sent: 07/12/04 18:08:11
  
      So, here's a question about these multipoint autofocus systems. How does
    one change the focus point?  I'd imagine that it's a time consuming
    operation, pushing buttons or turning wheels or some such
    electro-mechanical modal interface <LOL>.  Seems then that for scenes where
    there's any quickness of action required on the part of the photographer,
    adjusting autofocus preferences might be a hindrance, and that using just
    one focus point and slightly shifting the camera may be a faster
    alternative.  But, if one does that, as noted by Vic, how does that effect
    the point of focus?  Is it changed because the camera has moved?  And, can
    one focus with autofocus on an area where there's no contrast or even a
    subject?  For example, if one wanted to use a hyperfocal distance and, at
    that point there's nothing to focus on?  Or if one wanted to focus on a
    mono-colored wall for instance?  Which brings up another question: if newer
    lenses have no DOF scale (I understand that some don't), how can one use
    the hyperfocal focusing technique?
    
    Shel 
    
  

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