Description
The Svbony SV191 super-wide-angle 1.25'' zoom eyepiece 7.2-21.6mm allows you to change magnification power without swapping out eyepieces.
Specifications
| Model | W9150A | W9150B |
| Focal Length | 7.2-21.6mm | 9-27mm |
| Eye Relief | 10-18mm | 9-17.5mm |
| Apparent Field of View | 42°-65° | 40°-60° |
| Field stop diameter | 16mm | 19mm |
| Barrel Size | 1.25" | 1.25inch |
| Lens Structure | 7-Elements/4-Groups | 7-Elements/4-Groups |
| Filter Threads Standard | M28.5*0.6 | M28.5*0.6 |
| Coatings | Fully Multi-Coated | Fully Multi-Coated |
| Blackened Lens Edges | Yes | Yes |
| Eyecups | Twist-Up | Twist-Up |
| Eyecups Material | Metal | Metal |
| Net Weight | 167g / 5.87oz / 0.367lb | 230g / 8.1oz / 0.511lb |