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 Meade Series 4000 Super Plossl 56mm eyepiece @ Meade Instruments UK This eyepiece comes equipped with a soft and foldable rubber eyecup to prevent stray light entering from the side. Astromania Super Wide Angle Eyepiece for Telescope, 1.25 Telescope Eyepiece Set Astromania Super Plossl Eyepiece 2 Inch, Telescope Eyepiece 56mm Celestron Eyepiece 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 52 Degree Wide Field 4-Element Design, High Eye Relief for Astronomy Telescope Included 2 Inch Filter Thread. (20). from $57.57 $74.84 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 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
