Here is a page of Nudi shots from National Geographic magazine.........
Nudibranchs?Photo Gallery?National Geographic Magazine
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I'd say we have shots of equal if not better quality here on Nudibranch Lovers, but the white background is an interesting effect. How do they do that and are the shadows shopped in?
The Wacom tablet and pen are your friend. Good friend when doing this stuff. I used to use the erase tool, but making a clipping path is a lot easier. yes, the shadow is dropped in after the background is removed.