Featured Microscopist: Spike (M.I.) Walker

Diatom (Actinoptychus)

Diatom (Actinoptychus)

The Actinoptychus specimen was photographed with a Metrimpex 3D condenser, a modified Abbe condenser of Hungarian manufacture, dating back to the early 1960s. The condenser has three interchangeable front lenses (brightfield, oil darkfield, and asymmetrical off-axis). A Zeiss microflash illumination system was used with a Reichert Zetopan Exacta camera body and the assistance of Rheinberg illumination filters. The film was Kodachrome 25. (50x)


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