I am coming to be sporadic to write a diary here, but I am writing my current situation oftener in my FACEBOOK. So, please check my FACEBOOK either along with this page.
WEB日記が遠のいていますが、近況は逐次FACEBOOKの方にアップしておりますので、合わせてチェックしていただけますと幸いです。
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.
当サイトの更新が遠のいている時は、FACEBOOKに投稿していることが多いので、そちらも合わせてご参照くださいませ。
The EMS SET with IPD-HELICOID includes all the functions that are required in the binoscope making.
All you have to do is to set a pair of the OTAs in parallel.
The focus change in adjusting the IPD is a minor issue, because when the gazers take turns the eyesight will be often re-adjusted regardless of the IPD.