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retro-reflective projection screen?


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Weirdly enough can't find info about these on the web. Maybe searching the wrong or less common phrase used for these screens.

Okay, as far as I understand

1) retro-reflective screens preserve light polarization so are used for passive 3d projection.

2) their viewing angle is limited.


Anyhting else? Is the gain better? Any other benefits other than preserving polarization?

Thank you.

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