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Field Derotator. Focuser. Large Toothed wheel (self made from aluminum sheet). Stepper Motor. Worm (M6 or M8). Added height < 10 mm !. Focuser board. 90° Angles. 3 small support bearings. Large central bearing.
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Field Derotator Focuser Large Toothed wheel (self made from aluminum sheet) Stepper Motor Worm (M6 or M8) Added height < 10 mm ! Focuser board 90° Angles 3 small support bearings Large central bearing