| 摘要 |
A stereoscopic viewer includes a transverse rack; left and right sections comprising a fixed eyepiece, a turn plate, a pinion engaging teeth of the track and rotatably disposed on the turn plate, and an objective rotatably disposed on the pinion; and an adjustment screw engaging the teeth of the rack. A first beam of light coming from one of human eyes reaching and being reflected by the eyepiece of the left section, reaching and being reflected by the objective of the left section, and projects onto a left portion of a display. A second beam of light coming from the other one of the human eyes reaching and being reflected by the eyepiece of the right section, reaching and being reflected by the objective of the right section, and projects onto a right portion of the display. A 3-D image is given to the human eyes on the display.
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