How to take colorful macro photos of crystals without a microscope - DIY Photography

What is Birefringence? Birefringence is an effect that causes psychedelic rainbow colours to appear in otherwise transparent materials. Such as the magnifying glass in the pictures above. But actually, it’s a little more complicated than that: Birefringent materials (mostly crystals) split an entering light ray into two rays that are both polarized with the vibration […]