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Celestron Off Axis Guider
Knows as a Radial Guider as well, with the part number #94176.
Designed to be used on an SCT and allowing the imaging scope to also provide a guide image, so as eliminating the need for a separate guide scope.
SCT thread on the scope side, T thread on the camera. 1.25" opening on the guider side.
Guide section can "rotate" about the central axis to facilitate finding a guide star, plus the pick off prism can be "moved" slightly.
An exceptional unit, and in nearly new condition.
AU$150 posted.
PM me for more.
Gary
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