Set on his APM140-BINO!
Comment by Matsumoto/管理者のコメント；
Congratulations on the completion of the super-simple-mechanism!
FS60-BINO by Mr. M in Korea / Set on his APM140-BINO
MATSUMOTO-EMS | 天体望遠鏡革命
Innovation of Astronomical Telescope
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.
