Ethan's photo stash

http://ethan.757.org/photos

 
 
flickr-232406810.jpg
 
Uhmp shh laser
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A time lapse photo of a DPSS based laser projector. It uses stepper motors, so it sort of forms a grid. 40mw green. 80mw red. Taken from behind the unit itself. That is a 12' ceiling, and the wall is only 15' from the projector.
Make Canon
Model Canon PowerShot SD550
DateTimeOriginal 2006:08:21 20:15:38
ApertureFNumber f/2.8
Author
telmnstr
Keywords
dpss, laser, show
Visits
401