Omegon Newtonian Crayford 2″ dual speed 1:10 focuser
A quality focuser is the heart of every telescope - and if you use a Newtonian reflector, you know how significantly focusing precision affects the final image. The Omegon Newtonian Crayford 2″ dual speed focuser with a 1:10 ratio is designed exactly for this purpose: it offers smooth, reliable and precise focusing that will be appreciated by both visual observers and astrophotographers.
Crayford design - smooth and backlash-free motion
The Crayford design is popular among astronomers for its simplicity and the absence of backlash that plagues classic rack-and-pinion focusers. The drawtube moves on bearings, so the motion is smooth and jerk-free across the entire 33 mm travel range. This prevents unwanted shifts of the eyepiece or camera when making fine adjustments - which is absolutely critical at high magnifications or during astrophotography. The entire focuser is finished in black, behaves well thermally at night and will visually complement most reflectors.
Dual speed 1:10 - coarse and fine focusing combined
The main advantage of this model over single-speed focusers is the fine focusing wheel with a 1:10 ratio. In practice, this means you quickly achieve approximate focus with the coarse wheel and then fine-tune with the slow-motion wheel at ten times greater precision. This system is indispensable when photographing at long focal lengths or when using high-power eyepieces, where even a slight deviation from focus will ruin an otherwise perfect image or view.
Connections and compatibility
The focuser attaches to the Newtonian reflector tube via a 78 mm diameter hole, which matches the standard size used on most medium and large aperture reflectors. The package includes both standard adapters - for 2″ and 1.25″ eyepieces, both equipped with a filter thread, so no additional adapters are needed. The focuser also features a T2 (M42x0.75) connector and an M54 thread on the camera side, making it straightforward to connect a DSLR or mirrorless camera with a T2 adapter.
Key specifications
| Parameter |
Value |
| Type |
Crayford, dual speed |
| Barrel diameter |
2″ |
| Reduction ratio |
1:10 |
| Travel |
33 mm |
| Tube opening diameter |
78 mm |
| Included adapters |
2″ and 1.25″ (both with filter thread) |
| Camera connections |
T2 (M42x0.75), M54 |
| Load capacity |
1.5 kg |
| Finish |
Black |
Who is this focuser for?
The Omegon Newtonian Crayford 2″ dual speed 1:10 is an excellent choice for anyone who wants to upgrade the standard focuser on their Newtonian reflector and take their focusing to the next level. A precise Crayford focuser with dual speed gearing will be especially appreciated by astrophotographers working with DSLR cameras or astro cameras, as well as visual observers who want to get the most out of every observing session. The robust bearing guide and solid load capacity of 1.5 kg ensure stability even with heavier eyepieces or cameras.
