About: Erect image

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In optics, an erect image is one that appears right-side up. An image is formed when rays from a point on the original object meet again after passing through an optical system. In an erect image, directions are the same as those in the object, in contrast to an inverted image. It is one of the properties of images formed in a plane mirror.Some telescopes and other devices such as the camera obscura present an inverted image on the viewing surface. Mirrors and compound prism elements can be used to achieve an erect image instead. * v * t * e

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  • In optics, an erect image is one that appears right-side up. An image is formed when rays from a point on the original object meet again after passing through an optical system. In an erect image, directions are the same as those in the object, in contrast to an inverted image. It is one of the properties of images formed in a plane mirror.Some telescopes and other devices such as the camera obscura present an inverted image on the viewing surface. Mirrors and compound prism elements can be used to achieve an erect image instead. * v * t * e (en)
  • 正像是光學中的直式圖像。當兩條光線在特定點互相交會時，將形成正像。它是一個方向與物件相同的影像，不同於相反的倒影圖像。 有些望遠鏡和其它的設備，如相機的暗箱，在觀察的表面上呈現一個倒置的影像。像鏡子和複合稜鏡元素等各種方法用於實現正像。常見的正像例子是標準平面鏡中的人物圖像。 (zh)
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  • In optics, an erect image is one that appears right-side up. An image is formed when rays from a point on the original object meet again after passing through an optical system. In an erect image, directions are the same as those in the object, in contrast to an inverted image. It is one of the properties of images formed in a plane mirror.Some telescopes and other devices such as the camera obscura present an inverted image on the viewing surface. Mirrors and compound prism elements can be used to achieve an erect image instead. * v * t * e (en)
  • 正像是光學中的直式圖像。當兩條光線在特定點互相交會時，將形成正像。它是一個方向與物件相同的影像，不同於相反的倒影圖像。 有些望遠鏡和其它的設備，如相機的暗箱，在觀察的表面上呈現一個倒置的影像。像鏡子和複合稜鏡元素等各種方法用於實現正像。常見的正像例子是標準平面鏡中的人物圖像。 (zh)
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  • Erect image (en)
  • 正立像 (ja)
  • 正像 (zh)
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