- Low-dispersion lanthanum glass;using advanced computer design;combinations of low dispersion and high refractive index optical glasses;and durable multilayer deposition coatings;
- The 72 Series Argon-Purged waterproof extreme wide field eyepieces are optimized to produce high contrast;high resolution;and superior flat field characteristics;
- The 72 Series eyepieces come with a removable and foldable soft silicone rubber eyecup for the comfort of the observer;
- Fully multi-coated glasses for excellent image contrast and light transmission;
- Sharp optimal performance with low chromatic aberration;watch the scenery;bright celestial observations;nebula and so on.
In Stock
| Model | SV136(F9172A) |
| Focal Length | 9mm |
| Eye Relief | 7mm |
| Field Stop Diameter | 12mm |
| Apparent Field of View | 72° |
| Barrel Size | 1.25inch |
| Lens Structure | 5 -Elements/4-Groups |
| Filter Threads Standard | 1.25" Filter Thread (M28.5 x 0.6) |
1. The Super-wide Angle Eyepiece eyepieces offer a quality 5-element optical design at a super affordable price
2. Fixed folding rubber eyecup allows easy use with or without eyewear
3. Svbony eyepiece body is made of aluminum. A two-step anodizing process results in a beautiful matte finish that resists reflections and glare
4. Sturdy anodized aluminum barrels are threaded for any Svbony 1.25" filters
5. The edges of the optics are blackened for increased contrast, and prevent internal reflections
6. Anti-reflection fully multi-coated optics ensure bright and clear high-images at any magnification, with true color rendition
_md.jpg "SV132 H-Beta Filter 25nm 1.25inch Light Pollution Filter")