- 7-21 zoom eyepiece; allows you to change magnification power without swapping out eyepieces; bring you a better observation experience in a comfortable situation with high-contrast imaging; designed primarily for viewing lunar surfaces; jupiter and saturn; nebulae; clusters; and diffuse nebulae;
- 7-Elements/4-groups structure; made of high index glass deliver sharp, high contrast vistas;
- A simple twist of the zoom eyepiece housing changes the focal length from 7mm to 21mm, providing a variety of viewing magnification powers;
- 15mm long eye relief; ensure relaxing observation and keep your eyes comfortable, especially for users who wear glasses; the rubber eye guard provides comfort and blocks unwanted stray light;
- M28.5*0.6 standard thread; convenient for connecting filter; compatible with 1.25-inch telescopes and accessories; works great for photography.
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SVBONY SV135 1.25 inch, fully multi-coated zoom plossl eyepiece zooms to any focal length between 7 mm and 21 mm. Designed primarily for viewing lunar surfaces; jupiter and saturn; nebulae; clusters; and diffuse nebulae, pick the best magnification for your object and enhance your view!


| Model | SV135 |
| SKU | W9105D |
| Zoon Type | Linear |
| Focal length | 7-21mm |
| Eye Relief | 13mm - 15mm |
| Lens Design | 4 groups/ 7 pcs |
| Barrel Size | 1.25" |
| Field of view | 60°~40° |
| Lens Coating | Fully Multi-Coated-Green |
| Rubber Eye Guard | Yes |
| Meterial | Metal +Optic Glass |
| Color | Black |
| Thread Size | M28.5*0.6 |
| Net Weight | 145g |
| Package Dimension | 110*80*70mm |
- The zoom eyepiece allows you to change magnification power without swapping out eyepieces.
- 7-Elements/4-groups made of high index glass deliver sharp, high contrast vistas.
- A simple twist of the zoom eyepiece housing changes the focal length from 7mm to 21mm, providing a variety of viewing magnification powers.
- 15mm eye relief range.
- Sleek black barrel with safety undercut to reduce the possibility of the eyepiece slipping out of the focuser or diagonal.
- Blackened lens edges, anti-reflection threads for maximum contrast.