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Dobson Telescope StarGate 458/1900 Sky-Watcher

Dobson Telescope StarGate 458/1900 Sky-Watcher

SKU:skywatcher-SW0346

Regular price €4.575,00 EUR
Regular price "Sale Price" €4.575,00 EUR
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Discover the universe with the Sky-Watcher Astrolitech 450mm f/4.1 Dobsonian Telescope. Designed for passionate amateur astronomers, this large-diameter instrument offers exceptional performance for deep sky and planetary observation.

Features:

  • Aperture: 450 mm (BK7 glass parabolic primary mirror)
  • Focal length: 1900 mm (f/4.1)
  • Primary mirror: Conical and fused for rapid cooling and reduced weight (12 kg)
  • Secondary mirror: 120 mm in diameter (central obstruction of 26.2%)
  • Structure: Removable truss design with 6 "V" tubes for optimal portability
  • Focuser: 50.8 mm Crayford with 1:10 fine focus and 31.75 mm adapter
  • Mount: Non-motorized Dobson altazimuth
  • Finder: 9x50 achromatic for easy locating of celestial objects
  • Dust cover: Included to limit stray light
  • Zenith height: 1.89 m
  • Total weight: 50 kg (heaviest component: 12 kg primary mirror)
  • Assembly time: About 25-30 minutes by one person

Benefits:

  • Exceptional observation: Large diameter for detailed views of deep sky, revealing structures in galaxies, nebulae, and star clusters.
  • Easy transport: Removable lightweight structure, allowing for transport by one person.
  • High-quality mirrors: Conical and fused mirrors with multi-layer coating for 94% reflectivity.
  • Precise focuser: Fine focusing thanks to the 1:10 reduction, ideal for high-magnification observations.

Tips and tricks:

  • Assembly: Organize the parts during assembly to save time and carefully follow the user manual.
  • Observation: With a zenith height of 1.89 m, a step stool is rarely needed.
  • Recommended accessories: Use O-III or H-beta filters for observing nebulae.
  • Balancing: The supplied counterweights allow adjustment of balance depending on the eyepieces or accessories used.

Delivered items:

  • 450 mm f/4.1 Dobsonian optical tube
  • Dobson altazimuth mount
  • LET 28 mm eyepiece (50.8 mm fitting)
  • 9x50 straight finder
  • 50.8/31.75 mm Crayford focuser with 10:1 microfocuser
  • 3 x 1 kg counterweights for balancing
  • Dust cover
  • User manual in French
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