_tb.jpg "F9157A (2).jpg")
_tb.jpg "F9157B (14).jpg")
_tb.jpg "F9157C(1).jpg")
_tb.jpg "F9157D (15).jpg")
1.25 inch Svbony 66 degree astronomy eyepieces for night sky telescope viewing The edges of the optics are blackened for increased contrast, and prevent internal reflections. Anti-reflection fully multi-coated optics ensure bright and clear high-images at any magnification, with true color rendition.
| MODEL | F9157A | F9157B | F9157C | F9157D |
| Focal Length | 6mm | 9mm | 15mm | 20mm |
| Barrel Size | 1.25" | 1.25" | 1.25" | 1.25" |
| Eye Relief | 16mm | 16mm | 16mm | 16mm |
| Apparent Field of View | 66° | 66° | 66° | 66° |
| Filter Threads Standard | 1.25" Filter | 1.25" Filter | 1.25" Filter | 1.25" Filter |
| Coating | Fully Multi-Coated | Fully Multi-Coated | Fully Multi-Coated | Fully Multi-Coated |
| Structure Design | 5-elements in 3 groups | 6-elements in 4groups | 4-elements in 3 groups | 5-elements in 3groups |
| Rubber Eye Guard | Yes | Yes | Yes | Yes |
1. Fixed folding rubber eyecup allows easy use with or without eyewear
2. Svbony astronomy eyepiece body is made of aluminum. A two-step anodizing process results in a beautiful matte finish that resists reflections and glare
3. Sturdy anodized aluminum barrels are threaded for any Svbony 1.25" Astronomy Filters
4. The edges of the optics are blackened for increased contrast, and prevent internal reflections
5. Anti-reflection fully multi-coated optics ensure bright and clear high-images at any magnification, with true color rendition
6. Suitable for observsing the surface of the moon, planets, nebulae, star clusters, diffuse nebulae and other celestial bodies etc
