An arrangement labelled as Arachnoidiscus indicus from Sendai, Japan. Prepared by Arthur Cottam. Olympus BHB microscope using 450nm LED light. 20x Nikon Plan Apo NA 0.65 objective. Olympus Aplanat Achromat condenser, oblique lighting. 2.5x Nikon CF PL photoeyepiece. Monochrome converted Nikon d850 camera. Two image stacks prepared in Zerene (Pmax) and pasted together in Photoshop.