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ENG-13
Setting the Exposure
When taking photographs using TTL metering,
no exposure compensation is necessary to
meter the light coming through the lens.
With TTL metering, AE (autoexposure) is
possible at all focusing distances. Just set the
desired picture-taking mode, then check the
shutter speed and aperture before taking the
picture.
Magnification and Effective f-number
The aperture displayed by the camera assumes
that the focus is set to infinity. The actual
aperture (effective f-number) becomes darker
(effective f-number increases) at closer focusing
distances (magnification increases). This does
not cause exposure problems for normal picture-
taking. However, for closeup photography, you
cannot ignore the change in the effective
f-number.
Conditions prevalent with the subject are very
important when deciding on the correct level
of exposure for close-up (macro) shots. It is
therefore recommended that exposure levels are
amended as much as possible during shooting,
or that the image of the subject is checked on
the camera’s LCD monitor.
Using either the aperture-priority AE (Av) mode
or manual exposure (M) mode is recommended
for close-up (macro) photography, as these
make it easier to adjust the depth of eld and
exposure.
Exposure When Taking Close-up (Macro) Shots
6
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