Pyefinch low power objective
Modern compound microscope (5x objective)
Pyefinch high power objective (#5)
Modern compound microscope (10x objective)
Images are of a "Diatom Circle Preparation, 100 shells" dated 1932. Pyefinch images were captured using a Nikon CoolPix 5200. Modern microscope images were captured using a 5MPix QImaging Micropublisher digital camera.