SkyWatcher Stargate 18 Truss Dobsonian

Brand: Skywatcher
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SkyWatcher Stargate 18 Truss Dobsonian

Brand: Skywatcher
SKU: SWDOB450
$6,799.00 AUD

Sold Out due to popular demand

SkyWatcher Stargate 18 Truss Dobsonian
Sky-Watcher brings to you the ultimate DOB experience with the StarGate 18 Dobsonian!  Given its remarkable light gathering power, you will be able to catch the most subtle night sky features with your naked eyes. The sturdy giant is reasonably light (110Lb) despite its dimensions, and being easily assembled (30-minute setup time), the whole scope boasts remarkable transportability. If you have the appetite for exceptional planetary and deep space observation, then don’t miss out on this high-quality Newtonian system.

PARABOLIC PRIMARY MIRRORS

Features High-Quality Parabolic Primary Mirrors to eliminate spherical aberrations inherent in ‘fast’ focal length reflectors with spherical primary mirrors. The mirrors are parabolized to bring all the light rays to the same focal point to give sharp, contrasty images, which are full of detail.

 SKY-WATCHER DELUXE MIRROR COATINGS

Most reflectors today usually have a coat of aluminum as the mirror surface and then an overcoat of silicon monoxide or silicon dioxide to protect it. Silicon dioxide produces a much more durable coat than silicon monoxide but requires specialized equipment to apply it and is, therefore, more expensive. Protection is needed, because, in most reflectors, the mirror is open to the elements and deterioration of the reflective layer reduces the resolution of the telescope. ALL Sky-Watcher reflectors are Multi-Coated with Silicon Dioxide as a standard for Optimum Durability and Long Term Performance.

SPECIFICATIONS

  • Newtonian Reflector
  • Aperture: 458 mm (18”)
  • Focal Length: 1900 mm (74.8 in)
  • Focal Ratio: f4
  • Central Obstruction: 120 mm, 26%
  • High quality/precision parabolic mirror
  • Low-expansion borosilicate glass for both primary mirror & secondary mirror
  • Lowest Useful magnification 65x
  • 0.25-arc second resolving power (Dawes) and 0.28 arc seconds resolving power  (Rayleigh) & 16 stellar magnitude
  • Portable, quick-assemble truss structure
  • Fully Illuminated Field: 44 mm
  • Finder Scope 8×50 finder scope
  • Eye Piece LET 2″-28; SPL10
  • Shipping Weight 31kgs; 10kgs; 27kgs; 23kgs
  • Shipping Dimensions 79x76x36cm3  ;71x70x44cm3;  81x75x28cm3;  107x50x28cm3

 

18″ STARGATE DOBSONIAN

  •  Truss tube
  • Borosilicate aluminized mirrors protected by quartz coating
  • Alluminium structure and base
  • Diffraction Limited Parabolic Mirror
  • Ultra Thin Secondary Mirror Support (only 2.50mm)
  • Backed by 5 Years Sky-Watcher Limited Warranty

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EXPERT TECH SUPPORT AVAILABLE

100% AUSTRALIAN OWNED & SUPPLIED

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Have a question about this product?

CALL NOW : +61 2 9518 7255 OR EMAIL BELOW


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