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|Calcite Crystal - Rio Grand de Sul, Brazil|
Digital Photography Experimentation - 2008
Equipment: Nikon D300 with Nikon 60mm f/2.8 macro lens,
Medium: Helicon Focus, Adobe Lightroom 2 & Adobe Photoshop CS4
This specimen as you can see is much smaller than the Rhesus skull, and it presents different problems other than the usual of depth of focus. Crystals have flat surfaces that catch the light and can act as mirrors making it difficult if not nearly impossible to photograph without modifying the light source. In this case I used a "Soft Box" which is a tent made of translucent white fabric that covers my camera stand. By placing the light source outside this tent, which in this case I used three Nikon flash units causing the light to be muted and creating a nice soft light where the reflections were minimized. Thereby enabling me to see all the structure and detail without distracting reflections and highlights.
This beautiful small crystal was a gift from my good friend John S. White, whom I have known since 1972, when we met as a result of serving on a committe at the Smithsonian. John is a former Curator of Gems and Minerals at the Museum of Natural History. He keeps trying to get me interested in mineral collecting, but I'm an eclectic collector and never have successfully specialized in anything.
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