短焦望遠鏡 的英文怎麼說

中文拼音 [duǎnjiāowàngyuǎnjìng]
短焦望遠鏡 英文
short-focus telescope
  • : Ⅰ形容詞(空間、時間兩端之間的距離小) short; brief Ⅱ動詞(缺少; 欠) lack; owe Ⅲ名詞1 (缺點) we...
  • : Ⅰ形容詞1 (物體受熱失去水分 呈現黃黑色並發硬、發脆) burnt; scorched; charred 2 (著急) worried;...
  • : Ⅰ動詞1 (向遠處看) look over; gaze into the distance; look far into the distance 2 (探望) visi...
  • : Ⅰ形容詞1 (空間或時間的距離長) far; distant; remote 2 (血統關系疏遠) distant in relationship 3...
  • : Ⅰ名詞1 (鏡子) looking glass; mirror 2 (幫助視力或做光學實驗的器具) lens; glass 3 (姓氏) a s...
  • 望遠鏡 : telescope; binocle
  • 望遠 : telescope objective
  1. People usually think that larger telescope will magnify the object more. the magnification is the ratio of the apparent sizes of the object. for example, if the angular size of the object is one arc minute and through a telescope, its apparent size becomes 30 arc minutes, then we say the magnification is 30

    很多人以為大型可以把天體放得更大,事實上要獲得很高的倍率是很容易的只要改用較距的目便可以了,但就算是大型,倍率也極少超過500倍,一般都只是使用100至200倍。
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