• If this lens is used with cameras that do not
have the vibration reduction function
(P.17), set the vibration reduction ON/OFF
switch to OFF. With the Pronea 600i/6i
camera, in particular, battery power may
become quickly depleted if this switch is
left ON.
Focusing, zooming, and depth of
field
Before focusing, rotate the zoom ring to
adjust the focal length until the desired
composition is framed. If your camera has a
depth-of-field preview (stopdown) button or
lever, depth of field can be previewed
through the camera viewfinder.
• This lens is equipped with the Internal
Focusing (IF) system. As the shooting
distance decreases, the focal length also
decreases.
• 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 and the
subject may appear in focus at a position
that is closer than infinity.
• For more information, see p. 156.
Setting the aperture
Use the camera to adjust the aperture
setting.
The built-in flash and vignetting
• The built-in flash cannot be used over
distances of less than 0.6 m (2.0 ft).
• To prevent vignetting, do not use the lens
hood.
• For the latest information on vignetting
with this lens, see the camera manual.
• Vignetting is the darkening of the corners
around the image that occurs when the
light emitted by the flash is obstructed by
the lens barrel.
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