Refracting telescope: A telescope in which a large biconvex lens causes light rays to converge to a focus, forming an image magnified by a biconvex eyepiece. A telescope is a device used to magnify distant objects.
👇 ស្វែងរកឯកសាររៀននិងការងារគ្រប់ប្រភេទនៅទីនេះ៖
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