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Levenhuk Ra ER20 WA 9 mm EyepieceWide-angle eyepiece. Focal length: 9 mm. Field of view: 68°
Levenhuk Ra ER20 WA 9 mm is a wonderful wide-angle eyepiece with a 9-mm focal length and an apparent field of view of 68°. Its 20-mm eye relief allows you to observe the celestial sphere in comfort when wearing glasses. All optical elements are made of special fully multi-coated glass that provides for clear and sharp views of observed objects.... more
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Levenhuk Ra ER20 WA 9 mm is a wonderful wide-angle eyepiece with a 9-mm focal length and an apparent field of view of 68°. Its 20-mm eye relief allows you to observe the celestial sphere in comfort when wearing glasses. All optical elements are made of special fully multi-coated glass that provides for clear and sharp views of observed objects.
With its 1.25'' barrel diameter, this eyepiece can still be used with a 2'' focuser with a special adapter. Therefore, this eyepiece can be used with a telescope of any brand and make. For even more comfortable observations, this eyepiece is fitted with a twist-up rubber eyecup. The eyepiece shell is made of lightweight aluminum.
| Specifications | |
| Focal length, mm | 9 |
| Eyepiece diameter, mm | 29.2 |
| Eye relief, mm | 20 |
| Barrel diameter | 1.25" |
| Apparent field of view, ° | 68 |
| Optical design | 8 elements in 6 groups, fully multi-coated |
| Shell | aluminum |
| Usage | General use product. May be used by kids over 3 years old. |
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