[問題] 金星凌日觀測器材提問
關於這次金星凌日,我想請問用哪種方式觀測比較好?
現有器材:10cm折射鏡一隻
1.巴德膜:這是最好的方案,不過似乎要買膜來DIY裁切做好,放在鏡頭前面觀看。困難度在
於不知道這該去哪裡買?希望版上的前輩能建議店家XD (台北市)
2.電銲鏡片:在日環蝕的時候,旁邊的愛好者拿出一片電銲玻璃,用目視觀察的確挺方便的,
加上價格也不貴,據說在五金行也買的到..如果買不到巴德膜我就會考慮去買
片電銲玻璃! 不過請問這個能久看嗎?怕對眼睛不利。
3.底片:這應該算是一個偏方吧...感覺對眼睛實在很不利。
4.複寫紙:這是我弟說的,不知道從哪聽來的,感覺根本是亂入嘛! 囧>
感謝大家看完,重點其實在第一項:到底該去哪買巴德膜 orz 網拍那個時效應該沒那麼快
會送到..
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