Sky-Watcher 10" Flextube SynScan GoTo Collapsible Dobsonian
Effortlessly Explore Deep Sky Sights with this Innovative Dobsonian Telescope from Sky-Watcher!
Boasting 10-inches of aperture and a Radiant™ Aluminum Quartz coated primary mirror, the Flextube 250P is your window into the deep reaches of outer space. This computerized Dobsonian telescope delivers the performance of a traditional Dobsonian with the convenience of computerized "Go-To" tracking, allowing you to effortlessly explore deep sky galaxies, nebulae, star clusters, and so much more!
Sky-Watcher’s Flextube Dobsonians are incredibly portable despite boasting massive apertures! Unlike a traditional truss tube telescope, these collapsible telescopes feature a highly convenient retractable truss rod system that allows the optical tube to quickly collapse down for transport and storage. Beyond the innovative and portable design, these telescopes also provide the convenience of a computerized "Go-To" telescope, all without diminishing the intuitive nature of a traditional Dobsonian. With the SkyScan Pro app or the included SynScan AZ hand control, you'll be able to automatically slew to over 42,900+ objects after a simple two-star alignment, and the patented dual encoder rocker box design lets you instantly switch between automated and manual control without needing to re-align the mount! Included with this full-featured Dobsonian telescope are two 1.25-inch eyepieces (12.5 mm & 20 mm), as well as a full-sized 9x50 finderscope!
Flextube 250P At a Glance
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Portability & Automation Without Compromise!
With the Flextube 250P Collapsible Dobsonian, you'll revel in the thrill of discovery while effortlessly tracking objects across the night sky. Thanks to the patented computerized rocker box base, you can take the wheel at a moment’s notice then switch back to automated tracking without realigning. Learn more about this versatile telescope below!
10-inches of Aperture
The Flextube 250P features a large 10-inch aperture and Radiant™ Aluminum Quartz coated parabolic primary that provides a remarkable 94% reflectivity. With a fast f/4.7 focal ratio and 1200 mm focal length, this telescope is perfect for those who want to peer deep into the cosmos and explore faint deep sky objects. Thanks to the collapsible design, the large optical tube is easy to set up and transport to dark sky sites. Simply retract the truss rods and the 44-inch optical tube will collapse down to a mere 31.5-inches.
Computerized Rocker Box Base with Freedom Find Technology
This Dobsonian telescope comes with an innovative rocker box base that provides the convenience of a computerized "Go-To" telescope, all without diminishing the intuitive nature of a traditional Dobsonian. This adaptable design is made possible by the joining of two powerful Sky-Watcher technologies: SynScan & Freedom Find. Freedom Find Technology is a patented dual encoder system built into the computerized rocker box base. This allows the mount to keep track of the optical tubes position, even when in the manual control mode. This means you can effortlessly switch between manual and automated tracking, all without re-aligning the mount. For automated control you'll have the option to use either the included SynScan hand controller, or the SynScan Pro app (available for iOS & Adroid smart devices). The SynScan database contains over 42,000 objects, meaning you'll be able to effortlessly select any object listed in the catalogue and the telescope will automatically slew to the correct position and begin tracking!
Included Accessories
Setting you up for success, Sky-Watcher has included numerous accessories within this Flextube GoTo Dobsonian package. The two included Plössl eyepieces, 12.5 mm and 20 mm, provide views of the Moon, star clusters, the planets, and diffuse objects like nebulae and galaxies right out of the box! To make star alignment a breeze, Sky-Watcher added a 8x50 straight-through finderscope. This accessory also helps you locate objects when in Auto Tracking Mode. As mentioned above, you’ll also find the SynScan hand controller within this kit. This powerful device allows you to choose from multiple tracking rates (Sidereal, Lunar, Solar), change your slew speed from anywhere between 1X to 1000X, features built-in Wi-Fi for smart device operation, and allows you to slew to objects with incredible accuracy.
Frequently Asked Questions
Does this telescope need to be collimated?
Yes, the Sky-Watcher 250P is a reflector telescope that requires occasional maintenance, such as collimating the primary and secondary mirrors. The included manual provides step-by-step instructions for collimating your telescope. We recommend using a laser collimator, such as the Apertura 1.25" Laser Collimator, or a Cheshire collimation eyepiece, such as the Apertura Cheshire Collimation Eyepiece, as either of these accessories will make it much easier to align the optics on your reflector telescopes.
Can you capture astrophotos with this telescope?
The Sky-Watcher 250P is a visual telescope that is designed to provide exceptional views. If you want to capture photos with this telescope, you can use an adapter, such as the Apertura Smartphone Astrophotography Adapter, to attach a smartphone to the focuser and capture images through the eyepiece. You can also attach a DSLR or mirrorless camera using a corresponding T-ring. If you want to learn more, check out our guide covering How to Connect a Camera to a Telescope.
How large is the base of this telescope?
The Sky-Watcher 250P includes a computerized rocker box base that is 20-inches wide and 30-inches tall. The base weighs 94 pounds and requires assembly before use. Detailed assembly instructions are included in the telescope's manual.
Is the SynScan hand controller battery powered?
No, the included SynScan hand controller does not require batteries. Simply plug the controller into the corresponding port on the telescope's base and the controller will draw power from the mount. You can also control the mount using the SynScan app available for iOS and Android smart devices.
Astronomy Hub: Your one-stop-shop for Astronomy Knowledge!
Our Gear Experts have compiled a wealth of information to help you get the most out of your telescope! Below you’ll find links to articles, videos and "how-to" guides. Just one more reason that our Astronomy Hub is a one-stop-shop for all your astronomy and astrophotography needs!
| High Point Guide to Telescope Eyepieces |
| How to Observe Saturn |
| Astrophotography with a Dobsonian Telescope |
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