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• B is used for bulb exposure.
The lens re-
mains open as long as the shutter button is
kept pressed.
It is used for long exposure
of over 1 second
.
• When time exposure is required
,
set the dial
to
B,
use a cable release with a lock and
lock the cable release during exposure
.
• The
1/
60 scale on the dial is concurrently
used for
X
flash synchronization.
It is used
for speedlight (electronic flash
)
photography.
The
actual
exposure time
is
the
time
of
speed light flash duration
.
(such as
1/
1000,
1/
500, see your speedlight
instruction)
.
• Avoid setting the dial for an intermediate
speed other than calibrated
.
Turn the lens
automatic pre-set aperture ring to the required
aperture stop
.
This adjusts the light
volume
and brightness of the photographic object.
Be sure to set the manual aperture setting
at the full opening
.
Lens
Aperture
Exposu
re
ratio
• Leave the manual aperture setting at the
full -opening position
.
• The ratio between the aperture and the
exposure volume is as follows, F 2 as the
standard:
1
1 . 2 1 1 . 4 1 1
.8
12.°12.81
(3.5)
14.°15.618.°111 1161 22
• The aperture ring
can be set
at positions
between
numbers.
6
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