This was the 1st place winner from the very first Nikon Small World Photomicrography competition, in 1975! It was made by transmitting polarized light with a Berek quartz wedge.

This was the 1st place winner from the very first Nikon Small World Photomicrography competition, in 1975! It was made by transmitting polarized light with a Berek quartz wedge.

I just used some of this stuff in the lab today lol