Discovered this by accident...
(I'm presuming you're using some digicam though I may be wrong).
I think that CT should use that 2nd one on the cover of thier brochure
Trigger one into a clean toilet... The crimson is an interesting light that seems to really splatter in reflective items. Laugh. Go ahead. Laugh. Discovered this by accident...
BTW, my dog loves to chase the dot.