this post was submitted on 12 Jan 2025
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Perspective (discuss.tchncs.de)
submitted 3 weeks ago* (last edited 3 weeks ago) by [email protected] to c/[email protected]
 

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[–] [email protected] 53 points 3 weeks ago (10 children)

Tilting your head shouldn't make a difference as 'modern' (as in the ones that cinemas started using fifteen years ago) 3D glasses use clockwise and anticlockwise circular polarisation filters, and obviously, turning something 90° doesn't change whether it's clockwise or anticlockwise. Other kinds of polarisation filters do care about being rotated, which is probably where the artist got the impression it applied to 3D glasses, but it would be dumb to try and use that kind as obviously, people tilt their heads.

[–] Squibbles 8 points 3 weeks ago (2 children)

Huh I guess I haven't been to a 3d movie in quite some time. I definitely remember had tilting used to work

[–] Kichae 4 points 3 weeks ago (1 children)

3D IMAX was way later to using circular polarizers (if they ever switched). Were you only watching 3D in IMAX?

[–] Squibbles 1 points 3 weeks ago

Probably a mix. This was at Cineplex in Canada which also does the IMAX shows here. Maybe they were just behind the curve

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