PhotonVacuum technology is the ultimate solution for LED based projectors. Upstream's business model is to develop and sell optical components and modules based on unique PhotonVacuum technology.
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Upstream introduced a new concept for LED color mixing that is based on the unique PhotonVacuum technology. Now it's possible to have excellent color mixing quality with high efficiency, and for narrow beams too.
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Upstream's latest generation PhotonVacuum spotlight modules are providing unbeatable performance for professional lighting.
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Upstream's FreeForm lens design redefines the quality of lighting...
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