Interesting anaglyphs. Most of them show greater disparity of the image at greater distances (Eg. the cell phone thing with buildings in the background is very strong) This shouldn't happen if the image pairs were shot by parallel optical systems (as you suggest the orientation of the camera on the second shot should be). However, you will notice that human eyes will not remain parallel when looking at close objects - they tend to converge on the object in focus - resulting in a more complicated disparity relationship which clearly the brain is able to deal with and may prefer. These non-parallel or converged pairs that you select as optimum may even be needed to match what the brain-eye system expects when looking at the images within arms length. Cool.
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Interesting anaglyphs. Most of them show greater disparity of the image at greater distances (Eg. the cell phone thing with buildings in the background is very strong) This shouldn't happen if the image pairs were shot by parallel optical systems (as you suggest the orientation of the camera on the second shot should be). However, you will notice that human eyes will not remain parallel when looking at close objects - they tend to converge on the object in focus - resulting in a more complicated disparity relationship which clearly the brain is able to deal with and may prefer. These non-parallel or converged pairs that you select as optimum may even be needed to match what the brain-eye system expects when looking at the images within arms length. Cool.