Owner's Manual

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 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 (stop-down) 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 page 144.
 Setting the aperture
Use the camera to adjust the aperture setting.
 Using the lens hood
Lens hoods minimize stray light and protect the lens.
Attaching the hood
• Be sure that the lens
hood mounting
index ( ) is aligned
with the lens hood
setting index ( )
(3).
• To facilitate attachment or removal of the hood,
hold it by the base (near the lens hood attachment
index (
)) rather than its outer edge.
• If the lens hood is not correctly attached, vignetting
may occur.
• To store the lens hood, attach it in the reverse
position. To facilitate attachment or removal of
the hood, hold it by the base (near the lens hood
setting index ( )) rather than its outer edge.