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Custom Key Settings                                           315



            Toggle        assigned button again.  Not available in menus.
            Center  Lock-On  Initiates the Tracking of a slow-moving object (Section 5.30).
            AF
            Eye AF        Like  Face  Detection  on  steroids,  this  enables  only  the  focus
                          point(s) in front of the subject’s eye if it detects a face.  Press and
                          hold the assigned button to have this take effect.  If the eye is
                          between  focus  points,  then  just  standard  Face  Detection  takes
                          over.    Only  works  in  AF-S  and  DMF  mode.    Not  available  in  a
                          menu.
            AF Lock       Shooting in AF-C (Continuous) focusing mode?  Press this assigned
                          button and you instantly change to AF-S, and the camera will lock
                          focus.

            AF On         Does  the  same  thing  as  pressing  the  shutter  release  button
                          halfway – it initiates autofocus.  Might be handy for those of you
                          who wish to AF with one button and take pictures using the other.
                          Use in conjunction with AF w/ Shutter menu item, Section 6.20.
            AF     Range  Initiates the AF Range Control function, as originally described in
            Control       Section 6.10.1.  Not available in a menu.
            Focus Hold    Disables AF for as long as you hold the assigned button down.  I’m
                          not  sure  of  any  scenarios  where  this  would  be  useful.    Not
                          available in a menu.
            Aperture      Performs  the  classic  “depth-of-field  preview”  button  function  –
            Preview       stops down the lens so you can see what will (and won’t) be in
                          focus before you shoot.  Normally assigned to the button by the
                          lens base.  See Section 10.18.  Not available in a menu.

            Shot   Result  In  addition  to  performing  Aperture  Preview  described  above,  it
            Preview       will  also  preview  lens  corrections  and  DRO  effects  before  you
                          shoot.  See Section 10.18.  Not available in a menu.
            Smart         Does a digital zoom by throwing away pixels from the periphery of
            Teleconverter   the image.  You don’t want this.  See Section 10.15.
            Zoom          Invokes the Clear Image Zoom / Digital Zoom function described in
                          Section 5.26.

            Focus Magnifier   Magnifies  the  Live  View  image  so  you  can  manually  focus  with
                          great precision (Section 5.26).   Not available in menus.

            Deactivate     “Turns  off”  the  rear  LCD  (even  though  it’s  still  on  –  notice  the
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