[click on image to see a larger one]
Visual image using a BG40 filter:

Simulated bee vision using XBV3 filter:

Simulated bee vision using XBV2 filter

Simulated bee vision using XBV4 filter:

Simulated bee vision using XNUV filter :

Simulated bee vision using XBV6 filter :

UV using Baader-U filter:

UV using Jupiter-U filter:

IR (basically) using a simple ND filter:

Unfortunately these bread Zinnias don't show that prominent deep UV patterns as the mexican Zinnia haagena do ... oh well, not all what artificial breedings does leads to pleasant results.
Stay tuned, more will follow on that fascinating subject...
More info on this very interesting field may be found on my site http://www.pbase.com/kds315/uv_photos