[問題] 如何正確使用折射望遠鏡?
各位先進大家好。
前陣子看板上有人提供了折射望遠鏡的特價訊息,燃起了小時對天文的喜愛,所以入手了
一隻102mm口徑的折射式望遠鏡。
入手的時候適逢滿月,所以那陣子都在看月亮,覺得十分滿意。但是看旁邊的木星時,
覺得有如綠豆般的大小,當時還沒甚麼概念,只看到綠豆般的木星和螞蟻般的四大衛星就
心滿意足了。
後來看了很多資料和書籍,大致上得知要放大目標的話要伸長焦距,然後改用小的目鏡,
這樣會得到比較大的影像。重點來了,只要我放大影像,就會失焦而變得模糊。
所以想請問一下,是我的操作哪裡出現問題嗎? 不知道有沒有甚麼放大影像又不失焦的方
法?還是說該望遠鏡就只能達到這個性能?
感謝解惑!
附上望遠鏡鏡筒所印規格
口徑 102mm 焦距 1000mm 焦比9.2
品牌:Celestron NexStar 102 GT
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