William Optics FLAT6AIII Flattener/Reducer 0.8X Flattener This allows an even quicker

This allows an even quicker adaptation to the ambient temperature and reduces the tube seeing (boundary layer removal)

● Help provide local ground truth for future sky brightness prediction with the Clear Sky Clock

and as experienced astronomers know

Filter Threads

5kg) Dovetail saddle 3

William Optics FLAT6AIII Flattener/Reducer 0.8X Flattener This allows an even quickerAdjustable 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