More products from the brand :Sky-Watcher

Sky-Watcher Skyliner-400P FlexTube

CHF 2'799

Disponible en stock chez le fournisseur

Free delivery against signature
Easy, free returns

Sky-Watcher Skyliner 406P FlexTube - The ultimate Dobson for visual astronomers

A giant 406 mm opening in a retractable format!
The Sky-Watcher Skyliner 406P FlexTube is an observational beast designed for demanding astronomers. With its 406 mm primary mirror, it captures unsuspected detail in the faintest deep-sky objects, while remaining fluid to use thanks to its manual Dobson mount. All in a retractable FlexTube design for easy transport and storage.

NEW : supplied with two wide-angle eyepieces (12.5 mm and 20 mm - 70° field of view), a 1.25″ adapter with brass clamping ring to protect your eyepieces, a universal smartphone adapter, plus a Crayford 2″ double-speed eyepiece holder for fine focusing, even at high magnification.

FlexTube: a giant telescope that fits in your car

The system Retractable FlexTube allows the tube to be reduced in length from 168.5 cm to just 107.1 cm. This foldable design makes transporting a 406 mm much more accessible. Once in the viewing position, the 3-point locking system ensures perfect rigidity.

Dobson mount: simplicity for performance

Dobson's wooden alt-azimuth mount rests on a fluid swivel base, allowing intuitive manual star tracking. This proven concept, popularized by John Dobson, makes this telescope quick to assemble, simple to use, and extremely stable - no electronics, no motors, just observing pleasure.

Exceptional parabolic optics

The primary mirror parabolic with RAQ™ (Radiant Aluminum Quartz) coating offers reflectivity up to 94 % for bright, sharp, high-contrast images. The ultra-thin secondary support (0.5 mm) minimizes diffraction, guaranteeing great sharpness in deep-sky stars and structures. This telescope is a benchmark for both high-magnification planetary observations and diffuse nebulae.

Technical specifications

Lens type Newton reflector on Dobson mount
Primary mirror diameter 406 mm
Focal length 1800 mm (f/4.4)
Eyepieces included 12.5 mm & 20 mm - Wide angle 70° (1.25″)
Magnifications supplied 90x & 144x
Theoretical maximum magnification 812x
Lens holder Crayford 2″ double speed with 1.25″/2″ adapters
Mirrors Parabolic primary and secondary - RAQ™ treatment up to 94%
Secondary support 0.5 mm - minimum diffraction
Researcher 9×50 straight (optical)
Smartphone adapter Universal - 54 to 90 mm width
SLR connection Yes - Direct camera adapter
Tube dimensions Diameter: 540 mm / Length: 1071 mm (retracted) - 1685 mm (extended)
Locking system Mechanical 3-point locking
Frame Wooden alt-azimuth with accessory tray
Light collection (vs 350 mm) +34,5%

Why choose the Skyliner 406P FlexTube?

  • A 406 mm diameter for unrivalled visual performance
  • FlexTube retractable tube: easy to transport despite its size
  • RAQ™-coated parabolic optics - ultra-bright images
  • Crayford 2″ double-speed eyepiece holder for fine focusing
  • Sturdy, flowing Dobson frame, perfect for visuals

Conclusion

Visit Sky-Watcher Skyliner 406P FlexTube is an elite instrument for astronomers with a passion for visual observation. Designed to seek out the finest details in the deep and planetary sky, yet transportable and easy to use, it is quite simply the king of consumer Dobsons. An astronomical dream machine.

Products in the same category

Astrographe Newton Askar 130mm HNT-AL f/2.8
Newton Askar Astrograph 130mm HNT-AL f/2.8
CHF 1'799
Sky-Watcher 190 Maksutov-Newton
Sky-Watcher 190 Maksutov-Newton
CHF 1'629
DayStar Quark - Chromosphere ou Prominence
DayStar Quark - Chromosphere or Prominence
CHF 1'215
Case n°5 du calendrier de l'Avent 2025
Box n°5 of the 2025 Advent calendar
Original price was: CHF 139.Current price is: CHF 69.
ToupTek moteur de mise au point AAF
ToupTek AAF focusing motor
CHF 139
Caméra ToupTek G3662M (IMX662 mono BSI)
ToupTek G3662M camera (IMX662 mono BSI)
CHF 169
Acuter Luma-X 40ED - Edition ultra limitée
Acuter Luma-X 40ED - Ultra limited edition
CHF 1'329
Filtre MSM Easy Focus - Star Focus - idéal pour la photographie d'étoiles
MSM Easy Focus filter - Star Focus - ideal for star photography
CHF 59
Dobson Skyliner 200mm - Classic
Dobson Skyliner 200mm - Classic
CHF 459
Sky-Watcher Esprit 150EDX
Sky-Watcher Esprit 150EDX
CHF 2'999
Trépied en carbone iOptron charge lourde 40mm Ver.A
iOptron heavy-duty carbon tripod 40mm Ver.A
CHF 299
Dobson 300 mm (12") f/5 Ultra Light GEN 2
Dobson 300 mm (12") f/5 Ultra Light GEN 2
CHF 1'139
Dobson Celestron StarSense 254mm
Dobson Celestron StarSense 254mm
CHF 1'279
Ritchey-Chrétien TS-Optics GSO 8"
Ritchey-Chrétien TS-Optics GSO 8", 8", 8", 8".
CHF 949
GIOTTO – Panneau à flat pour Celestron Origin
GIOTTO - Flat panel for Celestron Origin
CHF 249

Our new products

Startravel 80/400 AZ3
Startravel 80/400 AZ3
CHF 269
Sky-Watcher Evostar 150 EQ6-R PRO SynScan
Sky-Watcher Evostar 150 EQ6-R PRO SynScan
CHF 2'749
Sky-Watcher Evostar 150 HEQ5 PRO SynScan
Sky-Watcher Evostar 150 HEQ5 PRO SynScan
CHF 1'998
Sky-Watcher Evostar 150 EQ5 Pro GoTo
Sky-Watcher Evostar 150 EQ5 Pro GoTo
CHF 1'647
Sky-Watcher EVOSTAR 150 EQ5
Sky-Watcher EVOSTAR 150 EQ5
CHF 1'179
Sky-Watcher EVOSTAR 120 HEQ5 PRO GoTo
Sky-Watcher EVOSTAR 120 HEQ5 PRO GoTo
CHF 1'649
Sky-Watcher EVOSTAR 120 EQ5 SynScan GoTo
Sky-Watcher EVOSTAR 120 EQ5 SynScan GoTo
CHF 1'245
Sky-Watcher EVOSTAR 120 EQ-5
Sky-Watcher EVOSTAR 120 EQ-5
CHF 799
Sky-Watcher EVOSTAR 120 EQ3 PRO SynScan GoTo
Sky-Watcher EVOSTAR 120 EQ3 PRO SynScan GoTo
CHF 1'029
Sky-Watcher EVOSTAR 120 EQ3-2
Sky-Watcher EVOSTAR 120 EQ3-2
CHF 599
[category_menu_mobile]