Zoom Eyepiece eliminates the need to change eyepieces so you can spend more time viewing the night sky instead of fumbling in the dark when you want higher or lower magnifications.
Model | SV135 |
Zoon Type | Linear |
Focal length | 7-21mm |
Eye Relief | 18mm - 16.3mm |
Lens Design | 4 groups/ 6 pcs |
Interpupillary Dist | 15mm |
Barrel Size | 1.25" |
Field of view | 57~40° |
Lens Coating | FMC |
Rubber Eye Guard | Yes |
Meterial | Metal +Optic Glass |
Color | Black |
Thread Size | M28.5*0.6 |
Overall length | 93mm |
Net Weight | 133g / 4.67oz |
1. SV135 Zoom Eyepiece have a rubberized collar to provides a non-slip grip, especially in cold weather and when wearing gloves
2. Sturdy anodized aluminum barrels are threaded for Svbony 1.25 inch filters
3. Zoom from 7mm to 21mm, you can choose the right magnification that suitable for viewing
4. Comfortable 16.3mm-18mm eye relief, especially for eyeglass wearers