Astromania Super Plossl Eyepiece 2 Inch Telescope 56mm Fully Multi Coated Optics 52 Degree Wide Field 4 Element Design, High Eye Relief for Astronomy Included Filter Thread

Advanced Optical Accessories: The use of aluminum allows for a longer service life; it with less distortion in the field of view; providing the best in high performance and clarity with low chromatic aberration; giving a virtually distortion-free image 52 Degree Wider Field of View: 56mm focal length for low magnifications and an excellent overview; 52 degree field of view-enjoy observing a large section of the night sky; providing a broader perspective; Eye relief: 21mm Fully Mutiple Coated HD Optical Glass: Multi-coating to prevent unwanted reflections; thus reducing chromatic aberration and increasing lens transparency for a bright clear view and impressively high contrast Standard 2 inch Mounting Diameter: 2 inch eyepiece with 2 inch telescope filter thread; a high performance; comes with a standard 2 inch interface to connect 2 inch focuser of any telescopes or other telescope accessories Excellent Material: Blackened lens edges and rubber eyecup for increased contrast; the internal structure is treated to eliminate stray light; it provides high contrast imaging in a comfortable environment for a more enjoyable viewing experience