Hi,

Scene: one spotlight, one coloured glass ball (photon target on for 
reflection and refraction, collect off), white plane below ball; setting up 
photons only using spacing and autostop. Povray 3.6.1 for windows.

Without photons enabled: a coloured shadow from the glass ball
With photons: some caustics, but the coloured shadow has become grey.

Is this normal behaviour? Why would the colour disappear?

bye,
gert

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