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Crossarms provide an
additional pan axis
which allows the
operator much greater freedom of camera movement. They can also be used
as an adjustable, counterbalanced offset.
HOW
DOES IT WORK?
The main tube of the Crossarm
can be
shifted and rotated to accomodate a wide variety of camera mount
configurations. Counterbalancing weights are held in place by a keeper
on the weight shaft.
Adding a third
axis allows fully
articulated movement
of the camera in a straight line in any direction. It also gives you
the ability to move the camera around the subject. When these movements
are combined with dolly moves, the possibilities are endless.
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ARTICULATED
MOVEMENT
The
combined range of jib and crossarm rotation allows the camera to be
positioned anywhere within the shaded area shown at left.
The animated illustrations
below show how
the Jib Arm and Crossarm work together to provide a greater range of
control and movement in three dimensions.
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