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The sequential focal stack method is used by [[Lightspace Technologies]] and [[CREAL]], in varying methods.
The sequential focal stack method is used by [[Lightspace Technologies]] and [[CREAL]], in varying methods.
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Multifocal displays can solve [[VAC]].
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The image that is projected and the focus of the image do not have to align perfectly. There can be a little bit of a difference, as long as the difference is not too great.
==References==
==References==