
Installation
52 Runco X-400d/X-450d Installation/Operation Manual
PRE
L
IMINAR
Y
3.12
Installing and
Adjusting the
CineWide Anamorphic
Lens
If you are installing an X-400d/X-450d/CineWide or X-400d/X-450d/CineWide with
AutoScope, proceed as follows to install and adjust the secondary anamorphic lens.
Runco offers two types of anamorphic lenses for its CineWide projectors: prismatic and
cylindrical.
• The prismatic lens compresses the height of the image (as opposed to
stretching the width) to achieve a 2.35:1 aspect ratio with a 1.78:1
display device.
• The cylindrical anamorphic lens has a larger aperture than the prismatic
lens. It stretches the width of the image to achieve a 2.35:1 aspect ratio
with a 1.78:1 display device.
The X-400d/X-450d/CineWide is available with either a prismatic or a cylindrical
anamorphic lens. The X-400d/X-450d/CineWide with AutoScope always uses a cylindrical
lens.
If you are installing a CineWide projector with a prismatic lens, refer to Whitney
(Prismatic) Anamorphic Lens Installation and Adjustment on page 58. If you are
installing a CineWide projector with a cylindrical lens, continue with the next section.
It is extremely important that the primary lens is properly
adjusted before you install the anamorphic lens. Ensure that
the image from the primary lens is perfectly centered on the
screen.
Note
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