![](https://diatomimaging.com/wp-content/uploads/2024/05/2024-05-23-09.31.14-ZS-PMax10xNpa-mod-lab-copyright.jpg)
![](https://diatomimaging.com/wp-content/uploads/2024/05/2024-05-23-04.59.47-ZS-retPM40xL-mod-lab-copyright.jpg)
![](https://diatomimaging.com/wp-content/uploads/2024/05/20240523_091617.jpg)
An arrangement of three Coscinodiscus excavatus from Barbados. Prepared by Samuel Henry Meakin. Mounted in Styrax, dated March 1941. Olympus BHB microscope using 450nm LED light. 40x Leitz Pl Apo NA 1.00 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, brightfield lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 49 images stacked in Zerene (Pmax).