Ideal for experiments involving birefringance, light scattering and more... High Contrast Circular Polarizing Plastic Film. This is the raw material from which they make RealD Passive 3D glasses also for DIY 3D glasses ,science projects and physics teaching. You get two sheets, one with 0 degrees circular polarization for the left eye and with 0 degrees circular polarization for the right eye please note that on both sides there is a protective film sheet. You have to remove it gently before use. Once removed, the polarizer sheet will be revealed, clean and smooth. Sheets are 0.2mm thick and 15cm x 20cm
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