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DECENTERED OPTICAL SYSTEM, IMAGE PROJECTION APPARATUS INCORPORATING A DECENTERED OPTICAL SYSTEM, AND IMAGING APPARATUS INCORPORATING A DECENTERED OPTICAL SYSTEM
DECENTERED OPTICAL SYSTEM, IMAGE PROJECTION APPARATUS INCORPORATING A DECENTERED OPTICAL SYSTEM, AND IMAGING APPARATUS INCORPORATING A DECENTERED OPTICAL SYSTEM
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机译：衰减的光学系统，包含投影光学系统的图像投影设备和成像装置，包含衰减光学系统的成像设备
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摘要
The first optical element 10 and the second optical element 20 are spaced away from each other in an effective area through which a light beam passes, and satisfy the following condition (1):; 0DMAX/f≦0.3 (1);where DMAX is the maximum value of a distance as measured in the effective area through which the light beam passes on a section including a center chief ray of the light beam in a direction parallel with the center chief ray between the second surface 12 of the first optical element 10 and the first surface 21 of the second optical element 20, and f is the focal length of the decentered optical system 1. 展开▼
机译：第一光学元件 10 和第二光学元件 20 在光束通过的有效区域中彼此间隔开，并满足以下条件（1） ：; <？in-line-formulae description =“在线公式” end =“ lead”？> 0 I> D MAX / f ≦ 0.3（1）<？in-line-formulae description =“ In-line Formulae” end =“ tail”？>;其中D MAX 是在有效区域中测得的距离的最大值通过该光束，光束在与第一光学元件 10的第二表面 12 之间的中心主光线平行的方向上通过，该部分包括光束的中心主光线。 B>和第二光学元件 20 的第一表面 21 ，f是偏心光学系统 1的焦距。
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