Canon T 90 User Manual
Page 136
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Bulb operation time is displayed on the
display panel by a series of 3 bars and the
numbers 1—30 Each bar mark (—) indi
cates 30 seconds. Exposure time up to
120 seconds is possible (3 bars plus 30).
It is possible to control the exposure time
within a range of 23 hours 59 minutes 59
seconds by using the Command Back 90
(optionally available).
Use of a tripod and cable release is
recommended when making long expo
sures.
Please see p.115 on the exposure warning
displays and the countermeasure for this
case.
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