ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
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Dan,
Two years ago, for our 60ft Planetarium, we installed our own in-house 'spherical mirror projection system'. The image quality is outstanding, and the budget we spent fits well under what you have listed. We had a local projector distributor bring in varying projectors and short throw lenses (per our throw/dome size dimensions) when we put the system together. They have projector techies who love unique applications and they brought us exactly what we needed.
The only drawback is the mirror and projector can occupy a few feet of space, although this can be easily worked into the building structure if planned ahead of time.
Jack Dunn at the Mueller Planetarium in Nebraska was instrumental to us in this process as well.
Let me know if you want any additional information.
--Jeff--
________________________________________
From: Informal Science Education Network [[log in to unmask]] on behalf of Glen Moore [[log in to unmask]]
Sent: Thursday, May 31, 2012 11:05 PM
To: [log in to unmask]
Subject: Re: Projector Recommendations for Dome Ceiling in Foyer
ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
*****************************************************************************
I have used projectors for fisheye dome projection for many years and have never had a problem with lamps. If you want to use a fisheye lens system, I suggest you contact eluminati.
Best regards
Glen
-----Original Message-----
From: Informal Science Education Network [mailto:[log in to unmask]] On Behalf Of Lorne Covington
Sent: Friday, 1 June 2012 12:46 PM
To: [log in to unmask]
Subject: Re: Projector Recommendations for Dome Ceiling in Foyer
ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
*****************************************************************************
The usual way to do this would be to have several projectors around the
edge of the dome projecting across the foyer. Erich is right about
projectors really not liking to be vertical unless they are designed for it.
Another approach is to use a convex mirror. Google convex or spherical
mirror projection.
Good luck!
- Lorne
--
http://noirflux.com
On 5/30/2012 1:18 PM, Dan Zevin wrote:
> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related institutions.
> *****************************************************************************
>
> Dear Colleagues,
>
>
>
> UC Berkeley is currently designing the lobby of the new Campbell Hall, which is home to the Astronomy Department. The foyer will be 20'x30' and will have a curved ceiling, like a planetarium dome.
>
>
>
> We would like to project images on this ceiling, perhaps from a pedestal in the middle of the foyer that projects upward to the dome. Our budget would probably be under $50K and installation is approximately two years from now; however, the architects would like to know as much as possible at this time. Please note too that light levels will undoubtedly be high in the foyer (compared to a regular planetarium)
>
>
>
> If you have recommendations for the best possible projector, please let me know.
>
>
>
> Thank you!
>
>
>
> Dan
>
>
> ***************************************
> Dan Zevin
> Public Education Specialist
> Space Sciences Laboratory
> 7 Gauss Way, MC 7450
> University of California, Berkeley
> Berkeley, CA 94720-7450
>
> (510) 642-8326
> (510) 643-5660 [fax]
> [log in to unmask]<mailto:[log in to unmask]>
> http://cse.ssl.berkeley.edu<http://cse.ssl.berkeley.edu/>
> ***************************************
>
> AST:7731^29u18e3
>
>
> ***********************************************************************
> For information about the Association of Science-Technology Centers and the Informal Science Education Network please visit www.astc.org.
>
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