William Optics 1:10 Microfocuser for Synta 2″ and 2.5″: 10x finer focusing on your Synta focuser
The William Optics 1:10 microfocuser is a retrofit for 2-inch and 2.5-inch Synta Crayford focusers, such as those found on many Sky-Watcher telescopes. The kit replaces the standard knob with a duo of coarse and fine knobs: the fine knob slows down every turn by a factor of 10.
At high magnifications and when focusing on a camera live view, that is the difference between searching and finding: small movements provide complete control without causing the image to shake.

Your focus stays complete
All functions of the existing Crayford are retained, including the tension adjustment. Therefore, the focuser will not slip even with heavier cameras and eyepieces.
Featured accessories
A logical upgrade for astrophotographers with a Sky-Watcher refractor or Newtonian with a Synta focuser.
For whom yes and for whom no
- ✓ Astrophotographers focusing on live view
- ✓ Visual observers who do a lot of high-magnification work
- ✗ If you have a focuser of a different size or a merk: check the focuser type first
Specifications
| Transmission | 1:10 fine adjustment plus coarse adjustment |
| Suitable for | Synta Crayford focusers 2 and 2.5 inch |
| Assembly | Retrofit, tension adjustment is retained |
You can find more accessories for this merk at the William Optics merk Page.





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