Another cross polarization for my indoor rainbow challenge. This is pretty much SOC, as was the first one. Every now and then I would hold the camera in such a way that the white background turned black. It seemed to be just a certain twist, but I wasn't very consistent in creating it. It does create stronger rainbow colors though.
photogq @gq Another attempt at an indoor rainbow photo, once again displaying the colors of the spectrum. I like the black background. It's really still white ... I don't quite know how the angle of the camera created the black, but I liked how it brought out more vibrant colors.
Yeah, love it. You will get the black background if you turn the moving bit of a circular polarizing filter 90 degrees to when the back ground is white. So polarised light means that all the light waves are travelling in the same plane - this is what your screen emits. Your polarising filter will only let through light waves travelling in one plane too. When it is white the planes of the light waves from the screen and the planes of the polarising filter on your lens are lined up (so the light comes through). When it is dark this is because the filter is at right angles to the light waves from the screen and no light gets through the filter. The see through plastic though distorts the planes of the light waves from the screen and so some of it will get though to the filter and dependant on the stresses in the plastic different light frequencies get more or less distorted, so you see the spectrum of colours in the plastic. Great to hear from you, sorry it took so long for me to see it!
May 12th, 2018
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