Craspedodiscus elegans prepared by Edmund Wheeler. Single example on the slide. Described as ‘Very Perfect’. While it is very nice, there are some issues with it if you look closely enough, however these do not detract from the beauty of the diatom. Olympus BHB microscope using 450nm LED light. 40x Leitz Pl Apo NA 1.00 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, oblique lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 82 images stacked in Zerene (Pmax).
Craspedodiscus elegans Ehrenberg 1844. Published in: Ehrenberg, C.G. (1844). Untersuchungen über die kleinsten lebensformen im quellenlande des Euphrats und Araxes, so wie über eine an neuen formen sehr reiche marine tripelbildung von den Bermuda-Inseln. Bericht über die zur Bekanntmachung geeigneten Verhandlungen der Königlich-Preussischen Akademie der Wissenschaften zu Berlin 1844: 253-275, 1 pl. Page 266, Figure 12.