
I will customize the “D”(OTA span) into your wish for free in the sale period. (The D of this set is 205mm)
The “D” of the standard EMS-UXL without extension tubes is 178mm.(IPD range is from 60mm to 78mm)
MATSUMOTO-EMS Innovation of Astronomical Telescope 天体望遠鏡革命
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.