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Guide for flash shooting distance range in
SIMPLE mode (at ISO 100)
For outdoor subjects
on sunny day
For outdoor subjects on
cloudy day or in shadows
For
indoor
subjects
0.6
-1.6m
0.7
-
2.3m
0.7
-
4.6 m
Use
the listed
range
only
as
a
guide
for
a
lens
having maximum
aperture of
f12.
8
or faster.
With
slower
lenses,
the maximum
shooting
distance
will
be
reduced.
• The wider the aperture (the smaller the f-number)
you select, the farther the maximum shooting
distance, whereas the smaller the aperture (the
larger the f-number), the shorter the maximum
shooting distance.
Using guide number to estimate the
maximum shooting distance
You can also estimate
the
maximum
shooting distance
by
guide
number
of
built-in
flash.
Guide
number
L
full
=
Maximum
shooting
distance
ens
aperture
Guide number for each ISO setting (m)
ISO film speed
25
50
100
200
400
800
6.5
9.2
13
18.4
26
36.8
• With a slower shutter speed, a smaller aperture is
automatically selected, resulting in a shorter
shooting distance range.
53
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