TS Optics 2″ Crayford Focuser 1:10 Dual-Speed for Refractors
Sharp focus is the foundation of every successful observation. This TS Optics Crayford focuser with 1:10 dual-speed focusing lets you move quickly to the approximate focus point first, then dial in precise sharpness with fine control - no image shift, no frustration. Whether you are viewing planets or star clusters, the result is a stable, crisp image every time.
Accepts 2″ and 1.25″ eyepieces
The focuser accepts 2″ eyepieces directly. A built-in reduction adapter also supports 1.25″ eyepieces, so you can use your existing collection without any additional accessories. A brass compression ring holds the eyepiece securely in place without scratching or damaging the barrel.
Designed for refractors
This focuser is made specifically for refractors. The mounting flange has an outer diameter of 86.6 mm, making installation straightforward on compatible telescope tubes. The 74 mm of focuser travel gives you plenty of range to reach focus across a wide variety of refractor designs.
Why the 1:10 ratio matters
The 1:10 Crayford mechanism is especially valuable when you are using heavy eyepieces or shooting astrophotography. In astrophotography, even a fraction of a millimetre in focus position makes a visible difference to your results. The fine-focus stage gives you that level of control without any backlash or unwanted movement.
Key specifications
| Parameter |
Value |
| Focuser type |
Crayford |
| Focuser size |
2″ |
| Reduction adapter included |
1.25″ |
| Focusing ratio |
1:10 dual-speed |
| Travel |
74 mm |
| Mounting flange outer diameter |
86.6 mm |
| Eyepiece lock |
Brass compression ring |
| Compatible instrument type |
Refractor |
Who is this focuser for?
This focuser suits a wide range of users. Beginners will appreciate how easy it is to reach a sharp focus quickly. More experienced observers and astrophotographers will value the fine 1:10 control that makes critical focusing possible. If you want to upgrade an existing refractor focuser, this is a reliable and practical choice.
