Sky-Watcher Evostar-90 AZ3 Refractor Telescope

Sky-Watcher Evostar-90 AZ3 Refractor Telescope

High-Resolution 90mm Refractor Telescope for Planetary, Lunar & Terrestrial Viewing

The Sky-Watcher Evostar-90 AZ3 Refractor Telescope is a premium 90mm achromatic refractor designed to deliver sharp, high-contrast views of the Moon, planets, and terrestrial subjects. Featuring a 900mm focal length (f/10) and precision air-spaced, multi-coated objective lens, this telescope provides excellent resolution and contrast, making it ideal for beginners and more experienced observers alike.

Mounted on the smooth and stable AZ3 alt-azimuth mount with aluminium tripod, the Evostar-90 is easy to use, requires virtually no maintenance, and delivers reliable performance for both astronomical and daytime terrestrial observation.

Key Features

• 90mm high-resolution achromatic refractor telescope

• Long focal length of 900mm (f/10) for detailed planetary viewing

• Multi-coated air-spaced objective lens for improved contrast and clarity

• AZ3 deluxe alt-azimuth mount with slow motion control cables

• Aluminium tripod with accessory tray for stability and convenience

• Supplied with x36 and x90 magnification eyepieces

• Includes 6×30 finderscope for easy object location

• 45° erect image diagonal ideal for terrestrial and astronomical use

• Beginner-friendly design with simple setup and minimal maintenance

• Ideal for Moon, planets, and daytime terrestrial observation

High-Quality 90mm Achromatic Optics

The Evostar-90 features a precision 90mm air-spaced two-element achromatic objective lens, designed to minimise chromatic aberration and deliver sharp, detailed images. With 65% greater light gathering capability than a 70mm telescope, it provides brighter, clearer views of celestial objects.

The long f/10 focal ratio is particularly well suited for high-magnification observation, making it ideal for studying:

• Lunar surface detail including craters and mountain ranges

• Saturn’s ring system

• Jupiter’s cloud belts and Galilean moons

• Mars’ polar ice caps

• Bright deep sky objects

Ideal for Astronomy and Terrestrial Viewing

The Evostar-90 is equally suited for both astronomical and daytime terrestrial observation. The included 45° erect image diagonal provides correctly orientated images, making it ideal for observing wildlife, landscapes, and distant objects during daylight hours.

Its refractor design also ensures:

• Excellent contrast and sharpness

• No central obstruction

• No mirror maintenance or collimation required

• Reliable long-term performance

Stable AZ3 Alt-Azimuth Mount with Precision Control

The supplied AZ3 deluxe mount offers smooth and precise movement in both altitude and azimuth axes. Slow motion control cables allow accurate tracking of celestial objects, making observation easier and more enjoyable.

The durable aluminium tripod with accessory tray provides excellent stability while keeping the overall system lightweight and portable.

Beginner-Friendly with Quick and Easy Setup

The Evostar-90 is designed for ease of use, making it an excellent choice for beginners entering astronomy. The simple alt-azimuth mount allows intuitive manual control, and the included accessories provide everything needed to begin observing immediately.

Setup takes only minutes, allowing you to spend more time observing and less time assembling.

Supplied Accessories

• 6×30 finderscope

• 45° erect image diagonal (1.25")

• 25mm eyepiece (x36 magnification)

• 10mm eyepiece (x90 magnification)

• AZ3 alt-azimuth mount

• Aluminium tripod with accessory tray

Ideal For

• Beginner astronomers

• Lunar and planetary observation

• Terrestrial and wildlife viewing

• Educational use

• Backyard astronomy

• Low-maintenance telescope users

Technical Specifications

Why Choose the Sky-Watcher Evostar-90 AZ3?

The Sky-Watcher Evostar-90 AZ3 is a superb entry-level and intermediate refractor telescope that combines excellent optical performance, ease of use, and reliable construction. Its high-quality optics, stable mount, and versatile viewing capabilities make it an ideal choice for anyone looking to explore the Moon, planets, and terrestrial landscapes with clarity and precision.

Whether you're starting your astronomy journey or looking for a dependable refractor for regular observing, the Evostar-90 delivers outstanding performance and value.