Glossary term: 反射式望遠鏡
Description: 在反射式望遠鏡（或稱鏡面望遠鏡）中，主要的光學元件是一面反射鏡，即“主鏡”，它的作用是收集入射光。反射式望遠鏡通常以主鏡直徑為特徵參數，從較小的業餘望遠鏡的10釐米到專業望遠鏡中使用的最大實體鏡的 8 米不等。將多個反射鏡組合在一起，可以獲得更大的集光面積，其作用相當於較大的實體鏡。反射式望遠鏡有多種類型。例如，在牛頓式望遠鏡中，來自主鏡的光線被一個較小的平面鏡側向反射到目鏡或照相機中。在卡塞格林式望遠鏡中，較小的凸面副鏡通過主鏡上的開口將光線反射回去。
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Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher The translation of this term and its definition is still awaiting approval
This is an automated transliteration of the simplified Chinese translation of this term
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