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H4D
True Focus can be used with longer lenses, smaller apertures etc but the further you come
from situations similar to the 'ideal' as described above, the less the eect will be until
it has no visible eect at all. Please remember that although True Focus can noticeably
improve a demanding shoot it will only work eectively in the specic circumstances it
was designed for.
See an explanation of True Focus and further details about use towards the end of this
chapter.
Autofocus mode setting
Focus mode is set via the control wheels in the following manner:
In camera active mode:
1) Press the AF button on the grip.
2) Turn the front control wheel to: Single Shot, Continuous, True Focus or
Manual as required.
3) Press Save (ISO/WB button) to store the setting.
Manual override in autofocus mode
Manual override is always possible in automatic focus mode without any need to make a
new setting; just rotate the focusing ring in the conventional manner. As the lens barrel
does not rotate in autofocus mode, you can hold the focusing ring for instant manual
adjustments as you would with a conventional lens. However, to retain the new manual
focus adjustments, you must maintain the pressure on the shutter release button. You
can instantly return to the automatic focusing mode by releasing the pressure on the
shutter release button rst and then pressing the release button halfway again.
The instant manual override facility produces a convenient way of working. You can take
advantage of autofocus while retaining an instantly adjustable manual focus check if
preferred for pin-point accuracy without making any changes in the settings.
F
ISO / WB
Save
AF
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