Télescope Dobson 450mm Go-To - Sky Watcher

Discover the universe with the Sky-Watcher Astrolitech Dobson 450mm Go-To Telescope. Designed for passionate amateur astronomers, this large-diameter instrument offers exceptional performance for deep-sky and planetary observation.

Features:

• Aperature: 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 diameter (26.2% central obstruction)
• Structure: Motorized Dobson Go-To mount with SynScan hand controller and database of over 42,900 objects
• Finder: Achromatic 9x50 for easy location of celestial objects
• Dust cover: Included to limit stray light
• Height at zenith: 1.89 m
• Total weight: 63 kg (heaviest component: primary mirror, 12 kg)
• Assembly time: Approximately 25-30 minutes for one person

Advantages:

• Exceptional observation: Large diameter for detailed observations of deep-sky objects, revealing structures in galaxies, nebulae, and star clusters.
• Precise Go-To system: Automatic pointing and tracking of celestial objects with 5 arcminute accuracy.
• Ease of transportation: Dismountable structure into lightweight components, allowing 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 ratio, ideal for high-magnification observations.

Compatibility:

• Eyepieces: Compatible with 31.75 mm and 50.8 mm eyepieces.
• Camera accessories: SNAP port for controlling your camera housing.
• Freedom Find system: Assists manual pointing with additional encoders.

Tips and tricks:

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

Supplied items:

• Dobson optical tube 450 mm f/4.1
• Motorized Dobson Go-To mount with SynScan hand controller
• LET 28 mm eyepiece (50.8 mm adapter)
• 9x50 finder scope
• Crayford focuser 50.8/31.75 mm with microfocuser 10:1
• 3 counterweights of 1 kg for balancing
• Dust cover
• User manual in French