Katy Perry PRISM Effect at MTV'S EMA'S 2013
14 x Tripan OPS Laser Units and 14 Rotating Diffraction Gratings
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ER Productions | Laser Show and Laser System Design Specialists 
Katy Perry PRISM Effect at MTV'S EMA'S 2013
14 x Tripan OPS Laser Units and 14 Rotating Diffraction Gratings