This hard, appaarently

        http://www.lightingprize.org/PAR38.stm

Image - target versus market results so far

         http://www.lightingprize.org/images/LPrizeNov2013PAR38graph.jpg

Specification


         http://www.lightingprize.org/pdfs/PAR38_CompRequirements_July13.pd=
f


     R
--=20
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