Vixen AC Adapter Sphinx Plug for AM-AC-3599 converts tip of Vixen AM-AC-3599 12V/3amp AC adapter or any tip negative "M-plug" (O.D.: 5.5mm. I.D.: 2.1mm) to work with Vixen Sphinx mount. In addition AC Adapter Sphinx Plug extend cord length for 67"/171cm.
"This Accessory Photo-Viewing Is Part Of The Focuser 2" "And Allows You To Simultaneously Use Two Eyepieces Diam. 31.8mm Looking Alternately With One Or The Other. Unscrewing One Of The Adapters Is 31.8mm You Can Also Attach A T-Ring For Photographing And Drive With The Other Eye. "