Sky-Watcher EVOSTAR-90 eq2
  • Sky-Watcher EVOSTAR-90 eq2

Sky-Watcher EvoStar 90 EQ2

90mm 3.5" 900mm Refractor Telescope

Sky-Watcher EVOSTAR telescopes are classic two-element, air-spaced, achromatic refractors. They are outstanding, high-performance, high-resolution instruments manufactured to high standards of optical and mechanical precision.

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With their long focal lengths and breathtaking, diffraction limited optical performance, they are ideal for the detailed high-power study of the Moon, Planetary Surfaces and other objects in our solar system, giving crisp contrasty images. Supplied with the EQ3-2 equatorial mount, which when polar aligned, will allow you to easily track objects as they move across the night sky via its slow motion control cables.

Skywatcher supplied product information -

  • Magnifications (with eyepieces supplied): x36 & x90

  • Highest Practical Power (Potential): x180

  • Objective Lens Diameter: 90mm

  • Telescope Focal Length: 900mm (f/10)

  • Eyepieces Supplied (1.25"): 10mm & 25mm

  • 6x30 Finderscope

  • 1.25"/31.7mm Star Diagonal

  • Multi-Coated Objective Lens

  • EQ2 Equatorial Mount

  • Aluminium Tripod with Accessory Tray

  • 65% more Light Gathering than 70mm

Our view

Economic way of owning a simple non-powered small aperture German equatorial casual astronomical telescope. An ideal white light solar refractor by adding some Baader Astrosolar over the front aperture. A low cost instrument for schools to purchase for science project solar observing. Add a simple RA motor for tracking.


Budget for an A4 sheet of Baader Astrosolar and a weak sky pollution filter such as the Baader Neodymium 1.25 filter. Budget also for a 1.25" Baader polarizing set or a 1.25" Neutral density filter for the moon.


Data sheet

Optical Design
3.5 inch
Mount Type
Focal Length
900 mm
Focal Ratio
Optical Coatings
Multi Coated
One Year

Specific References

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