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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
5" Hexagonal focuser with very rigid design and strong support
GT153 & Z126 which employ a M92x1
Add the FLAT61R 0
Mild darkening of the sky background for enhanced contrast
William Optics FLAT6AIII Flattener/Reducer 0.8X David Chandler 5" Hexagonal focuser with veryAdjustable Reducer Flattener for William Optics GT71, GT81, Z81, Z103 Telescopes This elegantly designed 2" reducer flattener has been designed to optimise the flat field imaging performance of William Optics refractors. Provides good illumination and a flat field a full frame sensor. Attaches directly to telescopes with an M63 thread on the end of the focuser. Internal thread accepts 2" astronomy filters. Requires an M48 threaded T ring if using a
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