| 摘要 |
An optical system for projecting an image onto an input surface of a display to be observed by an observer at an output surface of the display is disclosed. The optical system comprises an image source, an imaging element, and a telescope. The optical system may also include a telecentric element and/or path-reduction prism. The display may comprise, for example, a plurality of stacked optical waveguides, each having a first end and a second end, wherein the input surface is defined by the plurality of first ends, and wherein the output surface is defined by the plurality of second ends. The optical system is preferably used when the tilt angle of the input surface is different than the tilt angle of the output surface. The optical system provides for a magnification to the input surface to be different than a magnification to the output surface.
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