Of course, they still make these 3D glasses, but these are vintage. 3D lenses of red/ blue are typically used for interpreting anaglyph art. Used for viewing 3D comics, 3-D web sites on the internet, movies and TV, 3D games, printing and art.
These do not refract the light to make extra images. These are the original glasses from the first 3D movies so long ago.
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