Refractive Projection Lens
Refractive Projection Lens
If you look closely, you can see the slight curves on the acrylic surface of this lens. They may not look like much, but they have been precisely arranged to bend the light passing through the lens to form the image projection.
This is not a hologram, but a form of projection that uses the physics of how light behaves when passing through transparent materials to create an image on a plane.
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