[click on image to see a larger one]
Visual shot:

Simulated bee vision using XBV3 filter:

Simulated bee vision using XBV2 filter:

Simulated bee vision using XBV6 filter:

UV using Baader-U filter:

UV using Jupiter-U filter:

And here a polyptych of them all:

Quite interesting how this new filtering technique makes the very different UV reflectance of the petals visible.
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