What did Brewster invent for 3D viewing?
Monoscopic lens
Holographic viewer
Prismatic goggles
Lenticular stereoscope
Answer
The lenticular stereoscope, invented by Sir David Brewster, revolutionized the field of 3D viewing. This optical device, featuring a series of parallel cylindrical lenses, enabled the creation of stereoscopic images by combining two slightly offset photographs. When viewed through the lenticular lens, these images merged, providing a remarkable illusion of depth and three-dimensionality. Brewster's invention became instrumental in various applications, including stereoscopic photography, entertainment, and scientific visualization.
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