Ethan's photo stash

http://ethan.757.org/photos

 
 
 
flickr-2253117887.jpg
 
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Long shutter laser projection on the wall. 40mw DPSS @ 523 nanometers!
dpss , LAPSE , laser , LED , sign , Time
Make Canon
Model Canon PowerShot SD550
DateTimeOriginal 2008:02:09 19:52:49
ApertureFNumber f/2.8
Author
telmnstr
Keywords
dpss, LAPSE, laser, LED, sign, Time
Visits
391