The Secret of Red and Blue Optic
3D Stereoscopic glasses are nothing new. In fact we had them when we were children. Remember the red and blue optic? That showed all the cool cartoon characters in full 3D? The 3D spectacles allow us to feel amazed of being part of the scene.
The modes of 3D presentation we are most familiar with are the paper glasses with red and blue lenses. Through these two colors, we can enjoy any kind of 3D production. A 3D film viewed without glasses is a very strange sight and may appear to be out of focus, fuzzy or out of register. However the same scene is well projected simultaneously from two different angles in two different colors, red and blue. But we always wonder why.
Actually, this is like working on an equation. When we load on the Photoshop, it is showed that the RGB index of a picture will change every time we move our mouse across the picture. If we swift to settings, we learn that the color of red, blue and green compose the whole beautiful print by various percentages. Moreover, yellow is made up of red and green, so blue is its complementary color for it is excluded. In the same way, blue is the complementary color of red. Each eye sees the world from a slightly different perspective, and the binocular vision system in our brain uses the difference to calculate distance. The brain has the ability to correlate the images it sees in its two eyes even though they are slightly different. As a result, red and blue can store the information of two pictures which feasts our eyes a fabulous 3D effect. The colored filters separate the two different images so each image only enters one eye. Our brain puts the two pictures back together and now we’re dodging a flying meteor! That’s the secret of red and blue optic.
With the red and blue color, 3D spectacles make the movie or television show we’re watching look like a 3D scene that’s happening right in front of us. With objects flying off the screen and careening in our direction, and creepy characters reaching out to grab everyone, wearing red and blue 3D glasses makes us feel like we’re a part of the action – not just someone sitting there watching a movie.
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