Sky-Watcher Evostar 100EDX Apochromatic Refractor Telescope

The Sky-Watcher Evostar 100EDX is a high-performance apochromatic refractor designed for astronomers who want premium optical quality in a compact and versatile telescope. With its 100mm aperture and 700mm focal length, this upgraded member of the Evostar ED family offers an excellent balance between portability, image quality, and astrophotography performance.

The telescope features a high-quality ED doublet objective using specialised low-dispersion glass to minimise chromatic aberration. This advanced optical design produces sharp, high-contrast views with accurate colour rendition, allowing observers to enjoy detailed views of the Moon, planets, double stars, and brighter deep-sky objects. Stars appear clean and well defined, while the improved colour correction helps maintain image quality when used with modern digital cameras.

The 700mm focal length and f/7 focal ratio make the Evostar 100EDX particularly versatile. Compared with longer focal length refractors, the faster optical system provides a wider field of view and shorter exposure times, making it especially suitable for photographing nebulae, star fields, and larger galaxies. At the same time, the 100mm aperture provides enough light-gathering capability for detailed visual observations and high-resolution imaging.

For astrophotographers, the telescope provides an excellent platform for capturing high-quality images with DSLR, mirrorless, and dedicated astronomy cameras. The well-corrected ED optics produce sharp stars across the field, while optional reducers and flatteners can further optimise the telescope for different imaging requirements.

The Evostar 100EDX is equipped with a precision dual-speed focuser featuring fine adjustment control for accurate focusing. This is particularly valuable during astrophotography sessions, where even small focus adjustments can have a significant impact on image sharpness. The focuser is designed to support typical imaging accessories while maintaining smooth and stable operation.

The telescope also benefits from upgraded mechanical construction, including rigid tube rings and a quality mounting interface for reliable support on compatible equatorial mounts. Its relatively compact optical tube makes it easier to transport and set up compared with longer focal length refractors, while still delivering the optical performance expected from a premium ED telescope.

Although optimised for astrophotography, the Evostar 100EDX is equally capable for visual observation. The combination of 100mm aperture, ED glass, and a versatile focal length makes it an excellent all-round refractor for exploring the Solar System, open clusters, nebulae, and rich star fields.

Combining advanced ED optics, a fast and flexible optical design, and astrophotography-focused mechanics, the Sky-Watcher Evostar 100EDX is a premium refractor offering exceptional performance for both experienced observers and imaging enthusiasts.