[click on image to see a larger one]
Visible light image:
![](http://www.pbase.com/kds315/image/149853009/medium.jpg)
UV image using Baader-U filter (approx. 320-395nm, effective peak approx. 375nm):
![](http://www.pbase.com/kds315/image/149853010/medium.jpg)
Simulated butterfly vision (UV - VIS) using XBV3 filter:
![](http://www.pbase.com/kds315/image/149853011/medium.jpg)
Simulated bee vision (UV - VIS) using XBV6 filter:
![](http://www.pbase.com/kds315/image/149853012/medium.jpg)
Quadtriptych of the above:
![](http://www.pbase.com/kds315/image/149853013/medium.jpg)
This rock tulip has a not so strongly visible UV pattern, its petals are UV bright, and this gets quite nicely visible in these close-ups.
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