Photos taken with a Zeiss Axioscope using Darkfield, DIC, polarization and Rheinberg lighting.

Chironomid larvae polarization

Cladoceran Alono sp? Rheinberg

Hydra tetacle polarization microscopy

Ciliate Lacrymaria olor

Above is a green algae (left) Hyalotheca (Desmidiaceae) and blue-green algae species on the right (Arthrospira sp)

Water mite Darkfield