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Variable Shutter Control and Exposure Adjustment
The variable shutter control mechanism of this
camera has a 2-setting exposure adjustment
mechanism and fading mechanism. At the EBJ
setting, the opening angle is
220°,
the shutter
speed is about
1/30 second
.at
18
fps. At the
';o~
setting, the shutter opening angle is 150° and
the
shutter speed is about
1/43
second.
Therefore, the EBJ setting is more convenient
for
u~e
under dim light conditions.
System of Shutter Opening Angle/Fading
Making the picture image gradually darken until
it blacks out completely, or on the contrary,
making it become brighter from a complete
black-out condition until it can ,be seen normally,
is the technique called fading which is often used
in making movies. The former is called fade-out
and the latter fade-in. With this camera, the shut-
ter openinq mechanism functions to perform
fading. The shutter opening angle is variable
from
150°
to
0°
(completely closed). The oper-
ation is performed .bv rotating the variable shut-
tercontrol dial. Fading controlled by the variable
shutter
'
control dial is different from aperture-
controlled fading. It can
~
be
operated without
filters and fading time can be decided without
any problem.
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