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REMOTE RELEASE
Exposures have to be made without touching the camera. It is not possible to depress the shutter release button
without imparting vibration. You could use the Sony a900 2s delay, but this would not completely address the issue of
induced vibration. The electromagnetic mirror release also produces a recoil that imparts vibration. It is necessary to
lock-up the mirror prior to releasing the shutter. You cannot lock-up the mirror & then use the timer delay manually.
The only remedy is to use a shutter release remote and herein lies several issues.
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REMOTE RELEASE
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SONY REMOTE COMMANDER RMT-DSLR1
The IR Sony Remote Commander comes with
the Sony a900 and enables most of the
camera functions to be controlled remotely.
However it cannot be used to use the mirror
lock-up before opening the shutter because
the <DRIVE> menu option <REMOTE> has
to be selected, and both the <REMOTE> &
<LOCK-UP> options cannot be selected
simultaneously, nor can they be selected
consecutively.
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