UV Rodagon 60mm:
EL Nikkor 3.5/63mm:
X50 calibrated lens for UV 50mm [looks differently since I had another light on...]:
X90 calibrated lens for UV 90mm:
X135 calibrated lens for UV 135mm:
And now, a few days later, that rare UV Rodagon 150mm.
UV Rodagon 150mm:
So I hope you also found these results useful....
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