I have for sale a KOKUSAI KOHKI binoviewer. This is true Made in Japan optics. This binoviewer accepts 1.25" eyepieces. Both eyepiece holders have diopter adjustments. The base screws directly into the SCT base bypassing the diagional for less weight on telescope. Has pouch and protective caps. Other features include multicoated optics, adjustable approx. 55 mm to 73 mm eye width and weighs approx. 1.5 lbs. Made in Japan. First $xxx gets this nice binoviewer. Shipping/insurance is extra. I accept PayPal +2%, check (must clear) or money order. AstroMart users with excellent feedback get special care.