[melchebo]

LookingGlass' small portrait display is more like (2D) lenticular. Their larger displays use a micro lens system that directs pixels out in beams in different direction. So you also get parallax in the up & down direction.

[IshKebab]

Actually you don't. See this page at the bottom:

https://docs.lookingglassfactory.com/keyconcepts/filming-a-l...