Sky-Watcher Skyliner-350P FlexTube SynScan GoTo: 14 inch self-aligning
This mount couples the 355 mm parabolic mirror (f/4.5) with SynScan GoTo, featuring 42,900 objects and automatic tracking. The dual encoders maintain alignment, even if you move the tube manually. At this size, GoTo isn't a matter of laziness but efficiency: the mirror can find objects that would otherwise require a fifteen-minute search without a computer.

What do you see through the 350P GoTo?
Just like with the manual 350P: 36% offers more light than a 12-inch telescope, revealing the structure of galaxies and nebulae, and planetary detail that continues to amaze on clear nights. Automatic tracking makes high magnifications a breeze: the object stays right where you’re looking, even if you let someone else take a look for a moment.
Crayford focuser with T2: ready for a camera experiment
The 2-inch Crayford focuser has a T2 mount for a DSLR or mirrorless camera: short exposures of the moon and planets are possible directly with it. For visual work, all common eyepieces fit via the included adapters.
This is how to get the most out of this telescope
- To them, in part: Disassemble the mount and motorized rocker box separately; expect two people for stairs. Plan the route to your observation spot accordingly.
- Close the open section: A light shroud around the extended truss keeps stray light and dew out. The standard upgrade for FlexTube models.
- Allow for at least an hour to cool down For the large mirror, especially in winter.
- Collimation at f/4.5 is a fixed ritual on transport; our guide to collimation It takes two minutes.
- Use a power tank: The GoTo motors run on 12V and cold nights drain battery capacity. An external battery will keep it going all night.
- For planets: a 6 mm planetary eyepiece gives 267x, for the best nights; this mirror size can handle that well on good nights.
For whom yes and for whom no
Hello The deep-sky observer who wants maximum aperture and maximum observation time per evening, and who regularly lets the public look: the telescope holds the target while you talk.
Not Those who prefer to invest the price difference with the manual 350P into eyepieces will choose that version. Long exposures belong to the smart telescopes; short camera recordings via T2 can indeed be done here.
Featured accessories
These accessories add the most after purchase:
- Moon Filter 13%: With this mirror size, the moon is blindingly bright. The Omegon Moon Filter 13% (1.25 inches) dims the light and increases the contrast. More explanation is in our Moon filter guide.
- A 6mm planetary eyepiece: the Sky-Watcher 6mm Planetary UWA Eyepiece geeft op deze telescoop 267x vergroting voor de beste nachten. Wil je nog een stap hoger, dan is er ook de 5 mm versie (320x).
- Cheshire eyepiece the Sky-Watcher Cheshire Eyepiece Aligning the mirrors is more accurate than the included tools. With these fast opening ratios, it's not a luxury but a essential piece.
Technical specifications
| Feature | Description |
|---|---|
| Type | Reflector |
| Design | Newton |
| Aperture (mm) | 355 |
| Focal length (mm) | 1600 |
| Focal Ratio (f/) | 4,5 |
| Resolution | 0,32″ |
| Limit value (mag) | 14,6 |
| Light output | 2570× |
| Max. useful magnification | 710× |
| Tube construction | Open tube |
| Tube weight (kg) | 23,5 |
| Tube diameter (mm) | 500 |

Included in the box
- Sky-Watcher Skyliner-350P FlexTube Optical Tube with Motorized GoTo Rockerbox
- SynScan GoTo Control
Honest advice from observers
We sell and use the Sky-Watcher line ourselves. In our Sky-Watcher merk Guide We'll explain which series are strong and which you'd rather skip. View the full range on our Sky-Watcher merk Page or compare all models in our Dobson assortment. If ordered before 11:59 PM, it will be delivered quickly, in the Netherlands and Belgium. Not sure about the size or version? Call or email us: these are purchases we're happy to help you think through.
Manufacturer's additional specifications
- Mirror material: Low-Expansion Borosilicate Glass (primary and secondary)
- Mirror coating: RAQ (Radiant Aluminum Quartz), 94% reflectance
- Brake caliper supports: 0.5 mm ultra-thin
- Focuser: 2-inch dual-speed Crayford with fine adjustment
- Included eyepieces: 12.5 mm and 20 mm, 70-degree wide-angle (1.25 inch)
- 1.25 inch adapter with brass clamping ring
- Universal smartphone adapter (for devices 54 to 90 mm wide)
- Finder scope: 9×50 straight-through, with crosshairs
- Built-in Wi-Fi, controllable via SynScan app (iOS and Android)
- Power: 12V DC (tip positive)
- Base diameter: 770 mm
- Tube weight: 26 kg, rocker box weight: 47.5 kg
- Tube length extended: 1510 mm, retracted: 970 mm





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