DIY Photo Project: Create beautiful abstract photos with polarized crystals – YouTube

I saw this video on making colorful images of crystals by using a cross polarizing technique and thought I’d save it for reference.   But the principle is very simple – use two polarizing filters  – one on either side of the subject.  Maybe you could actually use anything that has a very small change in thickness that light can pass through – plastic sheet that you heat and press patterns into, whatever. DP review TV produced the video.Read more