An anaglyph picture is a printed or screen displayed 3D image that can be viewed with special anaglyph glasses in 3D. These glasses are equipped with a red and a cyan or blue film before the eyes. The pictures are mostly in black and white, sometimes also colorful. The image for the left eye cyan and the image for the right eye is red, exactly opposite to the color of the glasses. The images are superimposed on one page.
Since each image disappears in front of one eye by the color filter, the result is a three-dimensional image.
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