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Focusing, zooming, and depth of
field
Before focusing, rotate the zoom ring 5 to
adjust the focal length until the desired
composition is framed in the viewfinder.
If your camera has a depth-of-field preview
(stop-down) button or lever, depth of field can
be previewed through the camera viewfinder.
• Due to the optical characteristics of this lens,
at closer focus distances, the focal length
decreases slightly.
• The distance scale does not indicate the
precise distance between the subject and
the camera. Values are approximate and
should be used only as a general guide.
When shooting distant landscapes, depth of
field may influence operation so that the
camera may focus at a position that is closer
than infinity.
Focusing (Fig. A)
Set your camera’s focus mode selector
according to this chart:
Autofocus with manual override (M/A
mode)
1
Set the lens focus mode switch d to M/A.
2
Autofocus is enabled, but autofocus
operation can be overridden by rotating
the separate focus ring while pressing the
shutter-release button halfway, or by
pressing the AF-ON button on the camera
body of cameras so equipped.
Camera’s
focus mode
Lens focus mode
M/A M
AF
Autofocus
with manual
priority
Manual focus
(focus assist is
available)
M
Manual focus (focus assist is
available)