Levenhuk Ra 1.25" ER20 Wide Angle Eyepiece - 9mm
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Levenhuk Ra ER20 WA 9 mm Eyepiece
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
Closeout - All Sales Final
Levenhuk Ra ER20 WA 9 mm Eyepiece
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
| Manufacturer | Levenhuk |
|---|---|
| Eyepiece Series | Levenhuk Ra ER20 WA |
| Focal Length | 9mm |
| Barrel Size | 1.25" (31.7mm) |
| Apparent Field of View (Mfg Specified) | 68° |
| Eye Relief (Designed) | 20mm |
| Filter Threads | Standard 1.25" Filter Thread (M28.5 x 0.6) |
| Coatings | Fully Multi-Coated |
| Lens Elements | 8 |
| Lens Groups | 6 |
| Barrel Type | Tapered barrel |
| Protective Storage Container Included | Yes - Free Agena Eyepiece Container |
| Protective Plastic Storage Container Size (Sold Separately) | Agena 65x120mm |
| Rubber Eye Guard | Yes (Twist Up) |
| Warranty | 6 months |
| Weight | 14.4 oz (408.2 g) |
| Country of Manufacture | China |
| Exit Pupil | 20mm |
| Coatings | Fully Multi-Coated |
| Eye Relief | 20mm |
Closeout - All Sales Final
Levenhuk Ra ER20 WA 9 mm Eyepiece
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
| Manufacturer | Levenhuk |
|---|---|
| Eyepiece Series | Levenhuk Ra ER20 WA |
| Focal Length | 9mm |
| Barrel Size | 1.25" (31.7mm) |
| Apparent Field of View (Mfg Specified) | 68° |
| Eye Relief (Designed) | 20mm |
| Filter Threads | Standard 1.25" Filter Thread (M28.5 x 0.6) |
| Coatings | Fully Multi-Coated |
| Lens Elements | 8 |
| Lens Groups | 6 |
| Barrel Type | Tapered barrel |
| Protective Storage Container Included | Yes - Free Agena Eyepiece Container |
| Protective Plastic Storage Container Size (Sold Separately) | Agena 65x120mm |
| Rubber Eye Guard | Yes (Twist Up) |
| Warranty | 6 months |
| Weight | 14.4 oz (408.2 g) |
| Country of Manufacture | China |
| Exit Pupil | 20mm |
| Coatings | Fully Multi-Coated |
| Eye Relief | 20mm |