[Chimera-users] Fwd: Re: 3D stereo

Greg Couch gregc at cgl.ucsf.edu
Mon Nov 22 00:37:51 PST 2010

Hi Nadir,

Definitely investigate the ViewSonic products, but from their website, 
it is unclear what 3D-ready means to ViewSonic.  You'll need to talk to 
a salesman.  My guess is that they only work with the NVIDIA 3D Vision 
active glasses and if so, for a large audience, you'd would need the 
more expensive NVIDIA 3D Vision PRO glasses (they use RF instead of IR) 
for people in the back to reliably see the stereo images (alternatively, 
you would need several IR stereo emitters to fill the whole room -- just 
like a movie theater, don't get stuck behind the big guy).

Presumably you have a conference room that you would like to put the 
projector in.  I'd recommend having DepthQ bring a demonstration system 
to that room and show you stereo images (eg., a 3D movie) and where they 
think the farthest reasonable sitting position is.  Then you can stand 
at the back and the sides of the room to see for yourself.

     Bon Chance,


On 11/20/2010 5:28 AM, Nadir.Mrabet at medecine.uhp-nancy.fr wrote:
> Hi Matt,
> Thanks for your input.
> First, I should correct my ealier statement: DepthQ sells Christie's products
> but does not manufacture them.
>  From your mail, I understand that 30 people is the largest audience you can pack
> using the 3D with DepthQ, otherwise correct me please.
> Active stereo glasses 'Xpand' cost around $100, now, but battery replacement can
> indeed become costly over time.
> What sort of tricks have you been able to collect over your 15+ years experience
> to implement stereo correctly.
> I hear elsewhere that the ViewSonic DLP beamer (~$1400) might be a better option
> and that it is worthless spending more money.
> GREG- I also need your input.
> Best,
> Nadir

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