SPIE International Year of Light photo contest

The contest is open to anyone not employed by SPIE with prizes totaling $US 4,500 – and winning photographs will be published on the cover of SPIE Professional magazine. Images must be received by 30 September 2014 and should show how light and light-based technologies play a vital role in our everyday lives. See the SPIE website for additional details http://spie.org/IYL .