Reflecting telescope. Computer illustration showing the structure of a typical small reflecting telescope. A reflecting telescope is a type of optical telescope that collects light through a concave mirror that reflects it to a focal point, forming an image. The reflecting telescope was invented in the 17th century as an alternative to the refracting telescope, which, at that time, was a design that suffered from severe chromatic aberration. Most large-scale professional optical telescopes are now reflectors.
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TOP25848165
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達志影像
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RM
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