Svbony SV191 super-wide-angle 1.25'' zoom eyepiece 7.2-21.6mm and 9mm-27mm, allow you to change magnification power without swapping out eyepieces
My precious
Model | SV191 | SV191 |
Focal Length | 7.2-21.6mm | 9-27mm |
Eye Relief | 18-20mm | 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 |
For W9150A
1.The Svbony Super-wide Angle 1.25" 7.2mm-21.6mm zoom eyepiece allows you to change magnification power without swapping out eyepieces.
2.7-Elements / 4-groups made of high index glass deliver sharp, high contrast vistas.
3.Blackened lens edges, anti-reflection threads for maximum contrast.
4.Exceptionally long 18mm-20mm eye relief range allows for the use of eyeglasses without reducing the field of view visible through the eyepiece.
For W9150B
1. SVBONY Super-wide Angle 1.25" 9mm-27mm zoom eyepiece allows you to change magnification power without swapping out eyepieces.
2. 7-Elements / 4-groups made of high index glass deliver sharp, high contrast vistas.
3. A simple twist of the zoom eyepiece housing changes the focal length from 9mm to 27mm, providing a variety of viewing magnification powers.
4. Sleek black barrel with safety undercut to reduce the possibility of the eyepiece slipping out of the focuser or diagonal.
5. Blackened lens edges, anti-reflection threads for maximum contrast.