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Terry Wood

Jupiter (clearer) Nov 5th 2023 w/Mewlon 180c

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Questar Diopter Adapter

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1986 Questar Diopter Adapter in excellent condtion. Perfectly smooth diopter adjustment - total travel 0.172 inches.
Has threads for attaching Questar Brandon eyepieces.  Will accept 1-1/4" eyepieces but no method to hold them in place.