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- W2017250698 abstract "A free-form lens system design is proposed for short distance projection. Free-form surface shape and non-rotational symmetrical structure provide us more freedoms for optimization. The catadioptric structure is also used to reduce the overall length of the whole system. The designed projector lens system consists of two parts. The first part is a rotationally symmetrical lens system which corrects the basic aberrations. The second part contains a free-form lens and a reflector which correct the distortion and other aberrations. We achieve 55inch projected image size at a display screen which is 300mm away from the lens system. The maximum distortion for all fields at all distances is less than 3%." @default.
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- W2017250698 date "2011-09-08" @default.
- W2017250698 modified "2023-10-11" @default.
- W2017250698 title "Design of a free-form lens system for short distance projection" @default.
- W2017250698 doi "https://doi.org/10.1117/12.897111" @default.
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