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Question:

Which has 3D glasses to sell?

Which has 3D glasses to sell?

Answer:

There are only twoThe first kind of complementary color: red and blue, red and green are the main stereo glasses, the cheapest price, you can buy a few dollars, no requirement on the display, but also in the TV and projection on top, but the realization of three-dimensional way has a drawback, is to have a little bit of ghosting. But this method is very popular in foreign countries. But at the time not too long, this is a real red blue stereoscopic film every half hour to get into a 2D fragment, because foreigners pay great attention to the protection of the eyes, so some buyers have asked all is stereo, you understand this, you will not ask this kind of the problem.
The second polarization: the polarization direction of the polarizer before and after two projectors is perpendicular to each other, so that the polarization direction of the two beams of polarized light is perpendicular to each other. The two beams of light are projected onto the screen and then reflected to the viewer. The audience with the polarized glasses to watch, each eye sees only the polarized light corresponding to the image, the left eye can only see the machine in the picture, the right eye can only see the machine reflected images, such as direct viewing that will produce stereo feeling. This is the principle of three-dimensional film.
Go to the cinema,There are only two,All online oh

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