William Optics FLAT6AIII Flattener/Reducer 0.8X Flattener ● Help provide local ground

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

60 Structure Material All metal

and as experienced astronomers know

dimmer objects are within reach at the same exposure time

8 lbs / 6

William Optics FLAT6AIII Flattener/Reducer 0.8X Flattener ● Help provide local groundAdjustable 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