Metal filter cell threads directly into the 2- inch barrel of your telescope eyepiece
This ND96 neutral density filter allows 13 percent of the visible light to pass through
Perfectly neutral color will not alter the natural color of the Moon
100 Percent Brand New and High Quality: Multi-Coated 2 inch 80 degree F15 mm UWA telescope eyepiece; the Ultra-Wide 80 Degree Eyepieces are equipped with plastic case; which can better protect eyepieces and against dust than the cap
6-Elements in 4 Groups Design: Fully multi-coated and soft eyecup; the inside of the adapter is fully threaded to minimize reflections