RSS15cｍ反射双眼望遠鏡
15cmクラスの反射望遠鏡を並べて双眼鏡にしています。倍率は約30倍とのこと。手で持つ場合、10度より上の空を見るときは、背もたれ付きの椅子が欲しくなるようです。
Posted by Takumi Funada |
Jun 18, 2009 02:00 AM
Imaging |
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