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Photographing stereo images for cross eyed viewing is basically no different |
than
shooting regular still camera shots. The main difference is that in |
stereo photography you shoot two photographs of the same scene, each one |
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with a
slightly different
camera position. |
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First center the image of
the object in the |
viewfinder so that there
is ample empty |
space to the right and
left of the object(s). |
Then move the camera to
the left of the |
imaginary center line
(C/L) a distance |
equal to about 2.5 % of
the distance from |
the camera to the object(s),
i.e. (.025 x d). |
This is called the left
camera position. |
Be sure to move the camera
along an |
imaginary line parallel to
the object(s). |
One way to
do this is to place a broom stick or other straight edged object |
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up against
the two back legs of the tripod so that you can slide the legs |
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along it.
If you set the shot up okay there should be a narrower margin of |
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empty space to the right of the object(s)
and a wider margin of empty space |
to the left of the
object when you view the scene in the camera's viewfinder |
or LCD screen.
If so take the photo. This is called the left picture. |
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Next move
the camera back to the center line and then move it about 2.5% |
of "d" to
the right of the C/L. This is called the right camera position.
If you |
did it
right there now should be a narrower margin of empty space to the left |
of the
object(s) and a wider margin to the right. If so take the second
photo. |
This is
called the right picture. Before taking the photos it might
be helpful |
to go through a dry run of the camera movements to be sure the
object(s) |
are framed properly in the viewfinder
or screen in both camera positions. |
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