Levenhuk Ra 1.25" ER20 Wide Angle Eyepiece - 12mm
This item has been discontinued by Agena and we no longer offer this.
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Levenhuk Ra ER20 WA 12 mm Eyepiece
Wide-angle eyepiece. Focal length: 12 mm. Field of view: 68°
WA in the Levenhuk Ra ER20 WA 12 mm Eyepiece model name stands for Wide-Angle, and the model has a field of view of 68 degrees. Levenhuk Ra ER20 WA 12 mm Eyepiece has a long eye relief of 0.8 inches and comes with a twist-up rubber eyecup so it’s valued for providing comfortable observations especially for those observers who wear glasses. This model also has a focal length of 0.5 inches, fully multi-coated optics for high-quality views and a light aluminum shell. Another advantage of this eyepiece is its compatibility with telescope focusers of barrel diameters of 1.25'' and also 2'' using 1.25'' to 2'' adapters.
Focal length, in: 0.5
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
Levenhuk Ra ER20 WA 12 mm Eyepiece
Wide-angle eyepiece. Focal length: 12 mm. Field of view: 68°
WA in the Levenhuk Ra ER20 WA 12 mm Eyepiece model name stands for Wide-Angle, and the model has a field of view of 68 degrees. Levenhuk Ra ER20 WA 12 mm Eyepiece has a long eye relief of 0.8 inches and comes with a twist-up rubber eyecup so it’s valued for providing comfortable observations especially for those observers who wear glasses. This model also has a focal length of 0.5 inches, fully multi-coated optics for high-quality views and a light aluminum shell. Another advantage of this eyepiece is its compatibility with telescope focusers of barrel diameters of 1.25'' and also 2'' using 1.25'' to 2'' adapters.
Focal length, in: 0.5
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 | 12mm |
| 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 | 12.8 oz (362.9 g) |
| Country of Manufacture | China |
| Exit Pupil | 20mm |
| Coatings | Fully Multi-Coated |
| Eye Relief | 20mm |
Levenhuk Ra ER20 WA 12 mm Eyepiece
Wide-angle eyepiece. Focal length: 12 mm. Field of view: 68°
WA in the Levenhuk Ra ER20 WA 12 mm Eyepiece model name stands for Wide-Angle, and the model has a field of view of 68 degrees. Levenhuk Ra ER20 WA 12 mm Eyepiece has a long eye relief of 0.8 inches and comes with a twist-up rubber eyecup so it’s valued for providing comfortable observations especially for those observers who wear glasses. This model also has a focal length of 0.5 inches, fully multi-coated optics for high-quality views and a light aluminum shell. Another advantage of this eyepiece is its compatibility with telescope focusers of barrel diameters of 1.25'' and also 2'' using 1.25'' to 2'' adapters.
Focal length, in: 0.5
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 | 12mm |
| 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 | 12.8 oz (362.9 g) |
| Country of Manufacture | China |
| Exit Pupil | 20mm |
| Coatings | Fully Multi-Coated |
| Eye Relief | 20mm |