アイピースガイド（ビクセン版）

Features アイピースガイド（ビクセン版）

When you select the eyepiece and the telescope, magnification, and then simulate the brightness of the apparent field of view and field of view.You can check whether a celestial body can be seen in how much size you want to see in advance.It supports the eyepiece-telescope of 2015 edition Vixen catalog.