I saw a product on Amazon that I thought may prove useful. It is a microscope ring light with two circular polarizing filters. One over the LEDs and one over the lens.

The theory is, you polarize the source light, and then filter any specular highlights and reflections that are interfering with your work with a polarizing filter. If you’ve ever dabbled in photography, you may have used a polarizing filter to remove reflections off glass or water.

There are times I am trying to view the…

Exposing Polarizing Ideas (a review of a polarized light source and filter for a microscope)