One model, judged by its numbers
Sky-Watcher Skymax 127 AZ-GTi
A long focal length folded into a short tube, on a mount that finds things for you. The planetary specialist, and the most city-friendly telescope on this list.
Family · 102–127 mm Maksutov on a GoTo alt-az
What it shows, really
These circles are simulations, computed from the aperture, the magnification and the sky — indicative, not exact. A real night also depends on the turbulence, your eyes and your experience. Closer to the truth than the photo on the box; still not a promise.
Under a suburban sky (Bortle 6), through a common 25 mm eyepiece for wide targets and a 10 mm for planets. Every circle is the true field — nothing is enlarged.
The numbers
| Aperture | 127 mm |
|---|---|
| Focal ratio | 1500 mm · f/11.8 |
| Mount | AZ-GTi GoTo alt-az, driven over Wi-Fi from a phone |
| Typical weight | 8.5 kg |
| Eyepieces | 25 mm and 10 mm |
| Useful magnification | 21× to 254× at 127 mm |
| Resolution (Dawes) | 0.9″ — the tightest double star this aperture can split |
| Faintest star, suburban sky | around magnitude 11.8 |
| Observed price | €720 seen 2026-08-17 |
Made for
The Moon and the planets · 5 out of 5
This is what the design is for. Sharp, high-contrast, and long enough to reach 250× without effort.
Not made for
Nebulae, clusters and galaxies, by eye · 2 out of 5
Modest aperture and a narrow field. Globulars are fine; large nebulae are not.
Learn my way around the sky · 1 out of 5
GoTo does the part you said you wanted to learn.
The family it belongs to: 102–127 mm Maksutov on a GoTo alt-az
What it does well
- Long focal length gives high magnification with ordinary eyepieces — ideal for planets and double stars
- Small enough to live on a shelf
- GoTo finds things a city sky hides, which is exactly where it is needed
What it costs you
- A narrow field of view. Some large objects will not fit in it at all
- Takes 30–45 minutes to cool before it performs
- The mount needs power and an alignment routine, in the dark, in the cold
Worth knowing about this model
Needs eight AA cells or a power bank. The Wi-Fi control is better than the old hand controllers and still needs a two-star alignment.
Prices are observed on the date shown, never live. Links marked paid link earn us a commission and cost you nothing extra.
Where to buy
- Astroshoppaid link€709 seen 2026-08-23ships DE, FR, EU
- Amazon.frships FR
- First Light Opticsships GB
- Optique Unterlindenships FR
- Pierro Astroships FR
- Teleskop-Expressships DE, EU
1 of these 6 links earn us a commission, marked above. Sorted by price, never by what pays. How this site is funded.