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Polarized TesterPolarized test image in medium photo size, used to understand whether polarized eyeglass lenses are polarized. When viewed with the naked eye, only the main theme image of the photo is visible; When checked with polarized glasses, it shows that hidden figures such as airplane, car, f..

Polarized TesterPolarized test image in medium photo size, used to understand whether polarized eyeglass lenses are polarized. When viewed with the naked eye, only the main theme image of the photo is visible; When checked with polarized glasses, it shows that hidden figures such as airplane, car, f..