3D Movies like Avatar use a system of creating the illusion of depth in a 2D image, this method called Stereoscopy has been around for quite some years now. Chances are that your parents might remember seeing images like this or even movies. Back in those days however the images were known as anaglyphs and were images separated by cyan & magenta.
These days however those same images are reproduced in modern cinemas using Polarised light thus removing the annoying colour variations.
What is exciting however is setup side by side, these sorts of images can be viewed without the use of glasses, this technique called ‘free viewing’ gives you the exact same results simply by changing the way you look at these pictures.
Two methods exist Cross Eye and Parallel… I consider Cross Eye to be superior simply because Parallel has a major restriction, being restricted to images whose combined width is no wider than the distance between your eyes.
I went searching across the net to find such images and was delighted to find groups on flickr dedicated to this form of photography!
For help viewing these images, click here!
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