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Sky-Watcher

Sky-Watcher 90/900 EQ2 Telescope

Sky-Watcher 90/900 EQ2 Telescope

Regular price £255.00
Regular price £0.00 Sale price £255.00
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🚚 Estimated delivery: 3 days

  • 90mm achromatic telescope for planetary observation
  • Large f/10 focal ratio, limiting chromaticism
  • It allows you to discover in detail the Moon, the Sun, Jupiter and Saturn
  • Versatile day and night observation.
  • Mount to compensate the Earth's rotation in 1 axis

All about the Sky-Watcher 90/900 tube

90mm diameter achromatic tube, This model is perfect for beginners who want to invest in an instrument that allows them to discover the planets and the Moon for a moderate budget . With 65% more light compared to a 70mm scope, it offers more possibilities. Its long focal length of 900 mm gives it a large aperture ratio (f/10) which reduces the influence of chromaticism (appearance of colored edges at high magnifications).

The dual air element achromatic objective is multi-coated and provides quality low and medium magnification images of Jupiter, Saturn (the ringed planet), and the many lunar craters. Sun, By completing the instrument with a solar filter , it reveals sunspots on its surface depending on the day.

The EQ2 mount with said instrument allows for precise positioning in the sky thanks to the flexibles present on each axis. The fixing collars allow the glasses to be adapted to the frame. The equatorial mode design allows after parking (simple adjustment of the orientation of the mount towards the North Star) to compensate for rotation not in two axes (altaz mount) but only in one. You can even add a motor as an option for added convenience.

The pack includes:

  • 1 Sky-Watcher 90/900 telescope
  • 2 31.75mm fluid eyepieces: Super 10mm and Super 25mm
  • 1 2x Barlow lens
  • 1 search engine 6x30
  • 1 Piggyback mount for Kodak stepper camera on top of one of the clamps
  • 1 EQ2 equatorial mount
  • 1 height-adjustable aluminum tripod (71cm to 123cm)
  • 1 counterweight of 2.2kg
  • 1 accessory tray

Specifications

optical tube Metallic Lens
2-element "air spaced" type
optical formula Achromatic bezel
Useful diameter 90mm
Focal length 900mm
Focal ratio f/10
eyepiece holder 31.75mm sliding grate
Separating power 1.3 arc seconds
Visual limit magnitude 11.9
Clarity 225x
Optical tube dimensions
(Diameter x Length)
10cm x 91cm
Recommended Maximum Magnification 180x
Mount German EQ2 equatorial mount (motorizable as option)
Graduated circles on the 2 axes
Tripod Height-adjustable aluminum tripod (71 cm to 123 cm)
Weight (tube + frame) 13kg
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