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→Microlens-based
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Challenges: In an LfD, the lenslet array is a high contrast object, so the eyes tend to focus on it rather than on the virtual object that is being projected.<ref name="Fovi3D">https://web.archive.org/web/20180101203430/http://www.fovi3d.com/technology/</ref>+
A world-fixed microlens or perpendicular lenticular sheet based display requires on the order of thousands to millions of different viewpoints if not using [[head tracking]] and [[view selection]] based on where the head is.
A world-fixed microlens or perpendicular lenticular sheet based display requires on the order of thousands to millions of different viewpoints if not using [[head tracking]] and [[view selection]] based on where the head is.
−A challenge in engineering LFDs is that the lenslet array is a high contrast object, so the eyes tend to focus on it rather than on the virtual object that is being projected.<ref name="Fovi3D">https://web.archive.org/web/20180101203430/http://www.fovi3d.com/technology/</ref>
==Manufacturing==
==Manufacturing==