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Message: <blockquote data-quote="Blue439" data-source="post: 823373" data-attributes="member: 53455">This is one of the most difficult macros I ever tried to take (I admit I am very far from being a specialist), and it is not really very sharp. It is not an ice cube but a crystal of fleur de sel salt from Guérande in Brittany. I photographed it using my bellows almost fully extended, so we’re at an 8–10× ratio here (the background is a sheet of paper, so you can have an idea of the magnification by looking at the fibers). I thought it would be white and was very surprised to see that “fleur de sel” crystals are almost transparent –and thus, of course, even more difficult to light. I estimated the size of this as perhaps 1.2 millimeters.I would have loved to be able to do better, and perhaps I will try again in the future. I could have lit it better for a more spectacular result. I took 4 focus–stacked exposures, setting them manually using the Novoflex Castel XQ–II focusing rail under the bellows, as the macro lens was manual focus only. I use the Laowa 2× for the extra magnification it would give me. The stack was, as usual, processed with Helicon Focus.Nikon Z7, Z-mount Laowa 100mm ƒ/2.8 2× Ultra Macro APO lens. Gitzo GR3543XLS tripod with Arca–Swiss Cube C1 geared head. Novoflex BALPRO T/S bellows on Castel XQ–II focusing rail. Artificial lighting.[ATTACH=full]409441[/ATTACH]</blockquote>