Sky-Watcher 10″ Flextube 250P SynScan GoTo Collapsible Dobsonian Telescope(Sky Watcher 10 Flextube 250p Synscan Goto Collapsible Dobsonian Telescope)
Original price was: $329.00.$95.99Current price is: $95.99.
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Sky-Watcher S11810 Overview
The 10″ Flextube 250P SynScan GoTo Collapsible Dobsonian Telescope from Sky-Watcher is a precision engineered instrument that will allow you to easily find and enjoy viewing night sky treasures such as planets, the moon, nebulae, star clusters, galaxies, and much more. With its patented collapsible tube design, this Dobsonian excels in portability and performance, which is crucial when traveling to dark skies to make the most of these large telescopes.
- Large 10″ aperture delivers dazzling views, 1200mm focal length, f/4.7 focal ratio
- Built-in Wi-Fi telescope control
- Innovative collapsible design for portability, storage, and back focus for astrophotography while retaining collimation
- 1275x more light-gathering power than the human eye
- Patented Freedom Find technology uses dual encoders to allow manual control while retaining alignment
- Patented tension control handle allows for precise slewing and maximum stability
- Parabolic primary mirror with Radiant Aluminum Quartz (RAQ) coating for 94% light reflectivity
- 2″ single-speed Crayford-style focuser with 1.25-inch adapter allows for use of nearly any eyepiece
- 9×50 straight-through finderscope, 10mm and 25mm 4-element 1.25-inch Plossl eyepieces, and SynScan hand controller with 42,000+ object database included
In the Box
- Sky-Watcher Flextube 250P 10″ GoTo Collapsible Dobsonian Optical Tube Assembly
- 9×50 Finderscope
- 10mm Super Eyepiece
- 25mm Super Eyepiece
- 2-to-1.25″ Eyepiece Adapter
- Sky-Watcher Base for 250P SynScan GoTo Collapsible Dobsonian Telescope
Sky-Watcher Flextube 250P 10″ GoTo Collapsible Dobsonian Optical Tube Assembly Specs
| Optical Design | Dobsonian Reflector |
| Aperture | 254 mm / 10″ |
| Focal Length | 1200 mm |
| Focal Ratio | f/4.7 |
| Resolution | 0.46 Arcsec (Dawes) 0.55 Arcsec (Rayleigh) |
| Focuser | Crayford |
| Eyepiece Barrel Diameter | 1.25″, 2″ |
| Finderscope | Yes |
| Optical Tube Dimensions | Length: 31.5″ / 80 cm Retracted Length: 44″ / 111.8 cm Extended |
| Wi-Fi | Yes |
| Weight | 33 lb / 15 kg (OTA) |
| Package Weight | 41 lb |
| Box Dimensions (LxWxH) | 38 x 18 x 18″ |
Sky-Watcher Base for 250P SynScan GoTo Collapsible Dobsonian Telescope Specs
| Mount Type | Motorized; Alt-Azimuth |
| GoTo Capability | Yes |
| Motor | Yes |
| Polar Axis Scope | None |
| Inputs / Outputs | None |
| GPS | No |
| Wi-Fi | No |
| Dimensions | 30 x 20″ / 76.2 x 50.8 cm |
| Weight | 39 lb / 17.7 kg |
| Package Weight | 51 lb |
| Box Dimensions (LxWxH) | 29.75 x 23 x 12.5″ |
Sky-Watcher S11810 Reviews
Small omissions for a great scope.
Overall, this scope gets 4 stars due to a few items that should be addressed. The most glaring omission is the lack of adjustable feet to allow for leveling. Less problematic is the eyepiece holder is too close to the mounts forward wall preventing it’s use with larger eyepieces such as Bader or Celestron. Also, the instruction booklet mixes equatorial and alt-az instructions rather than separately. Lastly tracking is somewhat glitchy as it moves in small steps rather than smoothly. As for optical performance, I recommend this scope as views of the moon, planets and nebula are outstanding.
Just love this telescope
This is my first telescope. I wanted a large telescope because I live in a fairly light polluted area and wanted the extra light gathering capability to view objects that would be overpowered by background light with a smaller scope. The size is just right and it collapses enough to get into a car for once in a while transportation to dark skies. The one very minor complaint is that there was no indication that I needed to purchase a separate battery or power supply to power the GoTo electronics. I understand not including one of the options because everybody’s use case is different. I did say it was a minor complaint. Shipping was fast, everything arrived in perfect condition.
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