正立ミラーシステム(EMS)を開発した松本龍郎のサイト。 たった2回の反射で天体望遠鏡の像を正立像にします。
Tatsuro Matsumoto; Inventor of the EMS, Erecting Mirror System. EMS offers non reversed upright image with no additional undesirable abberations.
先述の終盤での改良(VERSION-11納品後の試作品)は、微動ネジを二条ネジにすることで微動の最適化を図ったことです。(当初の試作段階は、一回転のリードが小さ過ぎて、ピントの山が掴みにくい傾向がありました。) The effect of the double screw on the fine focusing / 2条ネジの効果
“The eyes are the windows of the mind.” is the famous old saying. So, it is very difficult for you to doubt what you are seeing. The merged image of the Binoscope will give you the upmost satisfaction and thrill. But, are you really sure your eyes are perfectly parallel with each other? Now, I will show you the cructial technic to check the parallelism of your visual axis. It is quite easy. Just go back from the eye-lenses so that the distance to your eyes about 30cm. If your adjusting of your binoscope is perfect, you will see the merged Ramsden circles with the targets at the center. But if you were seeing the binoscope with some congestion, you will lose one of the target from the Ramsden circle.