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Hi Jeff-

We have purchased a few short throw projectors for different projects and
departments, and I have noticed some distinct advantages and disadvantages
with various models.

The first we used are the NEC WT-600 / 610 that rely on curved first-surface
mirrors to get the desired throw. While they have excellent image quality,
the way the image gets thrown off the mirror can limit the installation
options. Example- one projector is used on an 8' x 6' screen. The great part
is that the unit sits 2.5' behind the screen. The disadvantage is the screen
has to be a certain height- in this case ~2.5' above the floor. We have no
wiggle room in terms of placement or angle of the projector, and that can
get rather frustrating when you're designing a setup.

We recently deployed an Epson Powerlite 400 (
http://www.projectorreviews.com/epson/powerlite-400w/) for another
installation, and though we needed about 3.5' to fill an identical 8' x 6'
screen, we had lots of room behind the screen to vary the height and angle
of the projector.

Hope that helps a bit.

Regards,

Daniel Bartolini
New York Hall of Science




On Thu, May 14, 2009 at 9:51 AM, Jeff Courtman <[log in to unmask]> wrote:

> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related
> institutions.
>
> *****************************************************************************
>
> As the prices on these ultra short throw projectors come down, we're
> looking at using them in an upcoming project.  Anybody out there have any
> experience that you'd care to share?
>
> Looking at Epson, Sanyo and NEC.
>
> Thanks...
>
>
>
>
>
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For information about the Association of Science-Technology Centers and the Informal Science Education Network please visit www.astc.org.

Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org.

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