Plasmodium Falciparum Ringstages – How can I see them more clearly?

I stumbled upon Foldscopes and was interested whether they are really able to detect Malaria. Therefore i bought some Foldscopes as well as malaria parasite samples. However I am not sure if the magnification is enough to clearly detect Malaria and even distinguish different strains. The best thing i could do was zooming in on…