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Variable Focus Machine Vision Lens Without Moving Parts: Freeform Progressive Eyeglasses for Non-Humans

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Abstract

Variable focus may be achieved without mechanical motion if a liquid ciystal display shutter is made to scan across a plane behind a freeform progressive lens. Hence, the use of two shuttem would yield a stereoscopic machine vision and ranging system without any moving parts. Simple optical designs are explored and presented for such lens systems.

© 2020 The Author(s)

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