Astromania Fully Multi-Coated 1.25" Ultra-Wide 80 Degree Eyepiece for Telescope - F16mm

100 Percent Brand New and High Quality: Multi-Coated 1.25 inch 80 degree F16 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. Barrel Size: 1.25 inch 31.7 mm this superb ultra wide angle eyepiece has 80 degree field of view. 5-Elements in 3 Groups Design: Fully multi-coated soft eyecup; the inside of the adapter is fully threaded to minimize reflections. Threaded for Filters and Barlow Lens: 1.25 inch standard female thread to fit a filter etc at the rear end very well built. Focal Length: 16 mm eye relief: 9 mm design: 5-elements in 3 groups; coating: fully coated broadband green film color: ultra black design