[click on image to see a larger one]
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It gets pretty obvious when working with such an old lens, that contrast is rather on the low side, some some post processing is needed to enhance contrast and also saturation a bit (which I usually avoid in my work).
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