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ZWO and other 1
and there is no risk of cleaning solution migrating from the top of the lens and seeping around edges to be trapped in between elements
It is perfect for any application where more power is desired including observing globular star clusters
Mild darkening of the sky background for enhanced contrast
William Optics FLAT6AIII Flattener/Reducer 0.8X David Chandler ZWO and other 1Adjustable 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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