Friday, September 14, 2007

Steinheil Quarz f1.8 50mm and UV LEDs

So since the UV-LEDs for UV photography seem to work quite nicely, here now some results using very old (1933) and very recent (2007) technology hand-in-hand. It is (again) that Steinheil f1.8 50mm Quarz Objektiv (quartz lens) mounted with a suitable helicoid to an Olympus E-510 DSLR, which I start to like more and more. The life preview, also in 7x and 10x digital zoom, works acceptably well also in UV.

My favorate target was used again, that nice Rudbeckia flower which is known to sport some sharp UV pattern. Plus this time also UV fluorescence will be tested out.

As light source a 375nm UV LED was used here and no other modifications were done, not even an filter was used. Here now the UV shot using the Baader 2" U-filter, just color balanced to taste, no other modifications done.

The second shot I used the same UV LED, but the filter used was the Baader UV/IR Cut filter, to suppress UV.

Stay tuned, more will follow on that fascinating subject...

More info on this very interesting field may be found on my site