Saturday, June 5, 2010

Re: polyvision

Jim,
Do you think the warped edges is related to the the fact that it is an
ultra-short throw rather than a regular short-throw? I'm concerned because
we were leaning toward the ultra-short throw. I'm now reconsidering this in
light of your comment.
Ellen
--
Ellen Baru
Director of Technology
The Cathedral School
1047 Amsterdam Avenue
New York, NY 10025

Phone: 212-316-7447
Fax: 212-316-7558
E-Mail: ebaru@cathedralnyc.org


On Sat, Jun 5, 2010 at 5:12 AM, Jim Heynderickx <jheynder@gmail.com> wrote:

>
> In sum, the Hitachi has a frustrating tendency to warp the edges of the
> projected image, which is very noticable when showing videos. The
> Brightlink doesn't appear to have this issue, and it's pen also seems to
> have a faster response time than the Eno board. Also, the Eno board itself
> was not cheap-- using a Brightlink and a regular whiteboard could be almost
> half the price of an Eno board install for us.
>
> We wouldn't use a standard projector (long throw) with the Eno boards,
> because of the shadow problems.
>
> Jim Heynderickx
> Director of Technology
> American School in London
>
>
>
>

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