Nico Posted May 21, 2013 Share Posted May 21, 2013 Chalwatzis, N. 2013: Orchis militaris L. (Orchidaceae). Military Orchid. Flowers photographed in visible and ultraviolet light. Orchis militaris L.DE: Helm-KnabenkrautEN: Military Orchid May, 18th, 2013, in-situ, near Bensheim Germany on a meadow (extensive cultivation). This orchid species requires meadows that are not farmed/dunged intensively. In Germany it is endangered and therefore protected by law. Images taken with a broadband modified Panasonic Lumix G1 and the EL-Nikkor 80mm/f5.6 at f8. Visible light image with IR Neutralisation-filter NG, 1/250s, ISO 100:Image reference: NCH_P1080467130518 UV image taken with the Baader U-Filter 2”, ½ s, ISO 400 (sunlight):Image reference: NCH_P1080474130518 The outer petals show a strong UV-reflection with dark veins at the inside. Other parts of the flower are much darker. There is some similarity between the visible and the UV appearance, but the contrast appears to be higher in the UV-image. [Published 21 May 2013] Link to comment
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