Cestodiscus superbus, WA Firth

Cestodiscus superbus
20x Nikon Plan Apo NA 0.65 image of the 2 diatoms

Cestodiscus superbus from Newcastle, Barbados. 2 examples on the slide, main image of the left hand side one. Prepared by WA Firth. Olympus BHB using 450nm LED light. 63x Leitz Pl Apo NA 1.40 objective, oil immersion. Olympus Aplanat Achromat condenser, oil immersion, brightfield lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. 20 images stacked in Zerene (Pmax).