SkyWatcher Flextube 400P 16 inch SynScan GoTo Collapsible Dobsonian (S11840)
$5,200.00
Skip to product information
SkyWatcher Flextube 400P 16 inch SynScan GoTo Collapsible Dobsonian (S11840)
$5,200.00
406mm Aperture
Massive light gathering performance
SynScan GoTo
Automated tracking of 42900 objects
Collapsible Design
Patented portable truss system
1800mm Focal Length
Fast f44 parabolic optics
Dual Encoders
Manual push without losing alignment
Dual-Speed Focuser
Precision Crayford smooth focusing
Explore Deep SpaceComputerized Collapsible 16 Inch Dobsonian Telescope
The Sky-Watcher Flextube 400P SynScan GoTo Collapsible Dobsonian Telescope delivers incredible light-gathering performance with ultimate portability for astronomy enthusiasts. Equipped with fully automated GoTo star tracking and a patented collapsible truss tube, this 16-inch Newtonian reflector telescope allows effortless observation of distant nebulae, galaxies, and planetary details. Integrated WiFi control and dual encoders ensure seamless navigation across the night sky without losing alignment.
Unmatched Deep Space VisionAdvanced Optics Meets Computerized Precision
Designed for serious visual stargazing, the Sky-Watcher Flextube 400P SynScan GoTo Collapsible Dobsonian Telescope features a massive 406mm primary mirror made of borosilicate glass with high-reflectivity 94% aluminum coatings. Its innovative truss design collapses into two manageable pieces, eliminating the need for full disassembly during transit while maintaining precise collimation all night. The computerized SynScan GoTo system automatically targets over 42,900 celestial objects via built-in WiFi control or hand controller, while patented Freedom Find dual encoders allow manual re-pointing without disturbing your alignment. Complete with a 2-inch dual-speed Crayford focuser, 9x50 finderscope, and high-quality Plössl eyepieces, this flagship astronomical telescope provides breathtaking views of deep-sky objects.
Technical SpecificationsDetailed Optical Component Data
Optical Design
Newtonian
Primary Aperture
406mm (16 in) (aperture)
Focal Length
1800mm
Focal Ratio
f/4.4
Mirror Coatings
94% Aluminum
Glass Type
Borosilicate
Secondary Mirror Diameter
102mm
Secondary Obstruction
25% by diameter / 6% by area (pie-chart)
Focuser
2" Dual-Speed Crayford
Mount Type
Motorized GoTo Dobsonian
Motor Type
DC Servo Motors
Tracking Rates
Sidereal, Lunar, Solar
Database
42,900+ Celestial Objects
OTA Weight
72 lbs
Dob Base Weight
105 lbs
OTA Retracted Length
42.5 in
OTA Extended Length
66.5 in
Dob Base Measurements
36" x 34"
Included Eyepieces
25mm & 10mm Plössl
Included Finderscope
9x50 Finder
Key System FeaturesEngineered for Portability and Precision
Aperture Size16-inch (406mm) parabolic primary mirror for massive light collection (eye)
GoTo SystemIntegrated SynScan AZ WiFi control with automated tracking
Collapsible TubePatented truss system collapses down for quick setup and transport
Freedom FindDual encoders allow manual push-to positioning without losing star alignment
Dual-Speed Focuser2-inch Crayford focuser provides silky smooth micro-adjustments
Tension ControlPatented handle lets you adjust friction between tube and base
Extensive DatabaseAutomated slewing to over 42,900 targets including messier and NGC catalogs
Frequently Asked QuestionsEverything you need to know
How do I power the Sky-Watcher Flextube 400P SynScan GoTo Collapsible Dobsonian Telescope?
The telescope requires a 10V to 15V DC 1Amp power source with a 2.1mm center-positive plug, which can be supplied using a compatible portable 12V power bank or AC power adapter.
Can I manually push the Sky-Watcher Flextube 400P SynScan GoTo Dobsonian Telescope without losing alignment?
Yes! Thanks to Sky-Watcher's patented Freedom Find dual-encoder technology, you can manually push the optical tube to any object at any time without losing your computerized GoTo star alignment.
Is the Sky-Watcher Flextube 400P SynScan GoTo Collapsible Dobsonian Telescope easy to transport?
Yes, despite its large 16-inch primary aperture, the patented collapsible truss tube retracts from 66.5 inches to 42.5 inches, separating into two main components for quick setup and transport without requiring disassembly.
Customers Also Bought
No related products found.