🎄 Year-end news: operations are slowed down until January 5, 2026! Happy New Year to all! 

More products from the brand :Explore Scientific

Dobson 500 mm (20″) f/3.6 Ultra Light GEN 2

Original price was: CHF 7'399.Current price is: CHF 6'799.

Reference SCOPE-0007

Out of stock

Free delivery
Easy, free returns

Dobson 500 mm Telescope: Ultimate Power for Deep Sky Exploration

Marvel at the universe with the Dobson 500 mm f/3.6 telescope, a true technological and optical feat. With its 20-inch mirror and high-performance design, this instrument is the ultimate choice for astronomy enthusiasts looking for an unrivalled experience.

Unparalleled collection of light

  • 500 mm primary mirror : Captures 5,100 times more light than the naked eye for breathtaking images.
  • Detailed observation: Observe the polar caps of Mars, the rings of Saturn, and resolve star clusters right down to their glittering cores.
  • Exploring the deep sky : Discover distant galaxies and nebulae with unrivalled clarity.
  • Lunar surface : Admire the precise relief and detail of the terminator.

Superior quality optics

  • f/3.6 quartz primary mirror: Allows rapid cooling and optimized temperature setting.
  • 120 mm secondary mirror : Exceptional optical coverage.
  • High-quality aluminum cladding: With 94 % reflectivity, protected by a durable, dew-resistant quartz layer.
  • Individual optical test certificate : Guaranteed top performance.
  • Easy adjustment : Thanks to a central laser-engraved mark.

Innovative and functional design

  • TIG-welded aluminum construction: Offering maximum rigidity and minimum weight.
  • Toolless disassembly : For easy transport, even in compact cars.
  • High-altitude bearings : For smooth, precise settings, even at high magnification.
  • Reinforced base and structure: For optimum stability and smooth azimuth tracking.
  • Built-in fans : Four on the sides of the mirror box and one under the primary mirror for rapid adaptation to ambient temperature and elimination of internal thermal disturbances.

Designed for the most demanding

  • Telrad compatibility and accessories : Thanks to an offset mounting plate.
  • Practical storage : Altitude wheels are stored in the foam layers of the mirror box.
  • Stable support feet : Guarantees a solid base on any type of surface.

Accessories Included for a Complete Experience

  • 2.5-inch hexagonal eyepiece holder : With 10:1 reduction for ultra-precise settings.
  • LED Red Dot Finder : To quickly target your observations.
  • Collimation assistance tool : For perfect settings.
  • Soft light deflector : For sharp images.
  • Radial fans : For rapid temperature equilibration.

A Telescope Ready to Push Back the Limits

  • Compatible with coma corrector (optional) : For images of exceptional sharpness and precision.

Conclusion

The Dobson 500 mm telescope is much more than a simple observation instrument. It's a true optical powerhouse designed to push back the boundaries of deep-sky exploration. Ideal for passionate astronomers, it offers a unique combination of light gathering, superior optical quality and innovative design for unrivalled observations.

Products in the same category

Dobson Bresser Messier 10" (254mm)
Dobson Bresser Messier 10" (254mm)
CHF 809
Dobson Sky-Watcher 150mm GOTO
Dobson Sky-Watcher 150mm GOTO
CHF 489
Schmidt-Cassegrain C8 EdgeHD 200 mm (8")
Schmidt-Cassegrain C8 EdgeHD 200 mm (8")
CHF 1'699
Kit NextStar 8 (Télescope, monture, valise et batterie)
NextStar 8 kit (telescope, mount, case and battery)
CHF 2'399
Kit NextStar 6 (Télescope, monture, valise et batterie)
NextStar 6 kit (telescope, mount, case and battery)
CHF 1'929
Celestron Origin MKII - Observatoire automatique à domicile
Celestron Origin MKII - Automatic home observatory
Original price was: CHF 4'099.Current price is: CHF 3'979.
Kit NextStar 4  (Télescope, monture, valise et batterie)
NextStar 4 kit (telescope, mount, case and battery)
CHF 1'399
Sky-Watcher Skyliner-250P FlexTube
Sky-Watcher Skyliner-250P FlexTube
CHF 859
Vixen VC200L 2 "VISAC" (Cassegrain asphérique de sixième ordre)
Vixen VC200L 2 "VISAC" (Sixth-order aspherical breakgrain)
CHF 1'999
Sky-Watcher Skyliner-350P FlexTube SynScan Go-To
Sky-Watcher Skyliner-350P FlexTube SynScan Go-To
CHF 2'879
Sky-Watcher Explorer-150PDS (OTA) (f/5)  Télescope Newton parabolique à double vitesse de 150 mm (6")
Sky-Watcher Explorer-150PDS (OTA) (f/5) 150 mm (6") double-speed Newton parabolic telescope
CHF 389
Sky-Watcher Skyliner-400P FlexTube Télescope Dobson parabolique de 406 mm (16") à tube rétractable
Sky-Watcher Skyliner-400P FlexTube 406 mm (16") parabolic Dobson telescope with retractable tube
CHF 2'649
Dobson Bresser Messier 6" (152mm)
Dobson Bresser Messier 6" (152mm)
CHF 359
Schmidt-Cassegrain C14 EdgeHD 360mm (14")
Schmidt-Cassegrain C14 EdgeHD 360mm (14")
CHF 8'999
Sky-Watcher Skyliner-350P FlexTube Télescope Dobson parabolique de 355 mm (14") à tube rétractable
Sky-Watcher Skyliner-350P FlexTube 355 mm (14") parabolic Dobson telescope with retractable tube
CHF 2'029
Dobson de table StarSense 130mm - Pointage par smartphone
StarSense 130mm tabletop Dobson - Smartphone pointing
CHF 509

Our new products

WandererBox Pro V3
WandererBox Pro V3
CHF 379
Caméra planétaire Player One Mars-C II (IMX662 couleur)
Player One Mars-C II planetary camera (IMX662 color)
Original price was: CHF 199.Current price is: CHF 149.
Caméra ToupTek G3662M (IMX662 mono BSI)
ToupTek G3662M camera (IMX662 mono BSI)
CHF 169
Caméra ToupTek G3M2210M (Capteur SC2210 mono)
ToupTek G3M2210M camera (SC2210 mono sensor)
CHF 229
Caméra ToupTek GPCMOS02000KPA (IMX290 couleur)
ToupTek GPCMOS02000KPA camera (IMX290 color)
CHF 109
Acuter MaksyGo 60 – Mini Dobson Maksutov-Cassegrain
Acuter MaksyGo 60 - Mini Dobson Maksutov-Cassegrain
CHF 119
Offrez une carte cadeau !
Give a gift card!
Price range: CHF 50 through CHF 1'000
Celestron Origin Mark II
Celestron Origin Mark II
CHF 3'999
Trépied en carbone iOptron charge lourde 40mm Ver.A
iOptron heavy-duty carbon tripod 40mm Ver.A
CHF 299
iOptron SkyGuider Pro
iOptron SkyGuider Pro
CHF 299
[category_menu_mobile]