Remember those hideous blue and red 3D glasses? Well, maybe you don’t, but many of us should. With every passing 3D advancement, it’s hard not to look back and see just how far we’ve come. But, do you really understand what’s happening? It can be confusing, so we talked to some folks who could fill us in, and this is the information they delivered…
Each of your eyes receives a slight variance of information from the other. The distance between them offers up that slight angle differential. This is called convergence, and when you factor in the light angles and your eyes attempt to focus on an object, we are given a unique opportunity to play with some movie magic. Your depth perception is created through light-sensitive cells known as rods and cones.
When two cameras, angled slightly different (remember your eye orientation) record simultaneously, we are able to get a feeling of depth. If you are looking at your computer screen reading this, your eyes are focused on the screen, not the objects on it. By shifting the images slightly, you are giving your eyes the depth perception necessary to create the 3D effect. Granted, things are a bit more complicated, and we could spend all day talking about how your television creates the effect, but in a nutshell, the 3D images are concocted by “hiding” the screen face and delivering the angled images that create depth perception. There. Now go and impress your friends…
Image credit: guppu.com
