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The Flip & Flop of Negative and Positive Parallax

The Flip & Flop of Negative and Positive Parallax...

One concept that is the foundation to understanding and interpreting 3D images is to comprehend the relationship and differences between Negative and Positive Parallax.

In their simplest forms, Negative Parallax refers to any 3D Stereoscopic image that appears in front of the screen plane, or pulling off the screen towards the audience.

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3D to 2D glasses (reverse conversion)

3D to 2D glasses (reverse conversion)

Recently, I was going to see a 3D film with a couple of acquaintances, one of whom has complained in the past of being sensitive to 3D movies in the theatre, claiming that they cause him eye-strain. The film in which we were going to see (which will remain nameless) had a reputation amongst my peers of having some bad 3D scenes, which was most likely divergence issues, which is the number one cause for poor 3D in movie theatres.