Why Collimation Matters?
Newtonian telescopes are like musical instruments; they need regular tuning (collimation) to perform at their best. If the mirrors are even slightly misaligned, planets will look blurry and stars will lose their pinpoint sharpness. The Svbony SV121 makes this process fast, easy, and accurate, even for beginners.
Unlike cheaper models, the SV121 features a Triple Cemented Lens to ensure the laser beam remains centered and doesn't drift, providing a reliable reference point every time.







| Laser Wavelength | 635-655nm (Red) |
|---|---|
| Output Power | Less than 5mw (Eye Safe) |
| Brightness Settings | 7 Levels |
| Compatibility | Newtonian & SCT Reflectors |
| Fitting Size | 1.25" & 2" (with adapter) |
| Power Source | 1x CR2032 Battery (Included) |
- Side View Window: Allows you to see the return laser spot while standing at the back of the telescope adjusting the primary mirror.
- 7-Step Switch: Saves battery by allowing lower power at night, while staying visible in twilight.
- Anodized Finish: Prevents wear and tear on the barrel from repeated insertions.
| Brand | SVBony |