Ra ER20 WA 9 mm Eyepiece by Levenhuk

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$166.83 / EA
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Wide-angle eyepiece. Focal length: 9 mm. Field of view: 68° WA in the Levenhuk Ra ER20 WA 9 mm Eyepiece model name stands for Wide-Angle, and it corresponds to reality since the eyepiece has a wide field of view of 68 degrees. Levenhuk Ra ER20 WA 9 mm also features a focal length of 0.4 inches, a twist-up rubber eyecup and long eye relief of 0.8 inches to provide comfort even when observing with glasses. Fully multi-coated optics afford high-quality views of celestial objects, and the eyepiece has a light weight due to an aluminum shell. Having a barrel diameter of 1.25'', this eyepiece will fit almost every telescope due to its compatibility with 1.25'' to 2'' adapters. Focal length, in: 0.4 Eyepiece diameter, in: 1.2 Exit pupil diameter, in: 0.8 Barrel diameter: 1.25" Apparent field of view, °: 68 Optical design: 8 elements in 6 groups, fully multi-coated Shell: aluminum

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