実じっ体たい鏡きょう

noun

stereoscope

An optical instrument for viewing two slightly different images simultaneously to create a three-dimensional effect. Used in fields such as photogrammetry, surveying, and early 3D imaging.

• 実じっ体たい鏡きょうを使つかって航こう空くう写しゃ真しんを立りっ体たい視しする