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16
About the Zoom Lens Aperture
Zoom lenses whose maximum aperture
varies depending on the focal length
have a [Minimum length] aperture
index for the shortest focal length and a
[Maximum length] aperture index for the
longest focal length. To set the aperture
to A [Auto], turn the aperture ring to the
white [Short focal length index] at the
center (regardless of the focal length) as
shown in the illustration.
For the longer focal lengths, if you want
to set an aperture other than A, align the
aperture ring with the long focal length's
aperture.
For example, with a 28-105mm zoom
lens set to 105mm, set the f/8 aperture
by aligning the aperture ring's f/8 to the
[Long focal length aperture index] mark
on the left of the white index.
* When setting the aperture manually
at a middle focal length, use the aper-
ture index for the short and long focal
lengths as a reference.
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