Christmas is fast approaching! To make sure your gifts arrive on time and shine under the tree on December 24th, place your orders now!


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

Sky-Watcher Dobson Heritage-130P 5.1" FlexTube
Sky-Watcher Dobson Heritage-130P 5.1" FlexTube
CHF 244
Dobson 300 mm (12") f/5 Ultra Light GEN 2
Dobson 300 mm (12") f/5 Ultra Light GEN 2
Original price was: CHF 1'249.Current price is: CHF 1'099.
Vixen VMC260L Maksutov Cassegrain modifié 260mm
Vixen VMC260L Maksutov Cassegrain modified 260mm
CHF 3'999
Télescope Bresser Maksutov-Cassegrain  90/1250 sur monture EQ3
Bresser Maksutov-Cassegrain 90/1250 telescope on EQ3 mount
CHF 299
Sky-Watcher Skyliner-300P FlexTube SynScan Go-To
Sky-Watcher Skyliner-300P FlexTube SynScan Go-To
Original price was: CHF 2'159.Current price is: CHF 1'989.
Sky-Watcher Explorer-150PDS (EQ3 PRO)  (f/5) Télescope Newton parabolique à double vitesse de 150 mm (6") sur  monture EQ3 PRO Go-To
Sky-Watcher Explorer-150PDS (EQ3 PRO) (f/5) 150 mm (6") double-speed Newton parabolic telescope on EQ3 PRO Go-To mount
CHF 979
Kit NextStar 4  (Télescope, monture, valise et batterie)
NextStar 4 kit (telescope, mount, case and battery)
CHF 1'399
Sky-Watcher Dobson Heritage-100P  4"
Sky-Watcher Dobson Heritage-100P 4"
CHF 189
Sky-Watcher 190 Maksutov-Newton
Sky-Watcher 190 Maksutov-Newton
CHF 1'629
Sky-Watcher Explorer-200PDS (EQ5) (f/5)  Télescope Newton parabolique à double vitesse de 200 mm (8") sur monture  EQ5
Sky-Watcher Explorer-200PDS (EQ5) (f/5) 200 mm (8") double-speed Newton parabolic telescope on EQ5 mount
CHF 899
NexStar Evolution 8 (203mm) HD Telescope avec StarSense
NexStar Evolution 8 (203mm) HD Telescope with StarSense
CHF 2'969
Dobson Bresser Messier 10" (254mm)
Dobson Bresser Messier 10" (254mm)
CHF 809
Sky-Watcher Skyliner-250P FlexTube
Sky-Watcher Skyliner-250P FlexTube
CHF 859
Dobson de table StarSense 150mm avec pointage par smartphone
StarSense 150mm tabletop Dobson with smartphone pointing
CHF 589
Sky-Watcher Explorer-200PDS (HEQ5 PRO)  (f/5) Télescope Newton parabolique à double vitesse de 200 mm (8") sur  monture HEQ5 PRO Go-To
Sky-Watcher Explorer-200PDS (HEQ5 PRO) (f/5) 200 mm (8") double-speed Newton parabolic telescope on HEQ5 PRO Go-To mount
CHF 1'599

Our new products

Case n°12 du calendrier de l'Avent 2025 - URANUS METEO SENSOR
Case n°12 du calendrier de l'Avent 2025 - URANUS METEO SENSOR
Original price was: CHF 399.Current price is: CHF 359.
Case n°11 du calendrier de l'Avent 2025 - Un super HUB USB
Case n°11 du calendrier de l'Avent 2025 - Un super HUB USB
Original price was: CHF 189.Current price is: CHF 169.
Case n°10 du calendrier de l'Avent 2025 - Panneau à flat auto 100mm !
Case n°10 du calendrier de l'Avent 2025 - Panneau à flat auto 100mm !
Original price was: CHF 289.Current price is: CHF 249.
Trépied en carbone iOptron charge lourde 40mm Ver.A
Trépied en carbone iOptron charge lourde 40mm Ver.A
CHF 299
iOptron SkyGuider Pro
iOptron SkyGuider Pro
CHF 299
Askar SQA130
Askar SQA130
CHF 3'889
Universal Filter Wheel Adapter for Wanderer ETA
Universal Filter Wheel Adapter for Wanderer ETA
CHF 59
Case n°9 du calendrier de l'Avent 2025 - Filtres SHO Antlia 3nm PRO 2"
Case n°9 du calendrier de l'Avent 2025 - Filtres SHO Antlia 3nm PRO 2"
Original price was: CHF 1'197.Current price is: CHF 999.
Case n°8 du calendrier de l'Avent 2025 - Pack wanderer astro !
Case n°8 du calendrier de l'Avent 2025 - Pack wanderer astro !
Original price was: CHF 1'149.Current price is: CHF 1'049.
[category_menu_mobile]