Sky-Watcher SkyMax-102 AZ-GTi: Planetary Sharpness with WiFi Control
The top-tier performance of the 102 line: the 102/1300 mm Maksutov-Cassegrain (f/12.7) on the AZ-GTi mount with built-in WiFi. Through the free SynScan app (iOS and Android, multilingual), choose from over 10,000 objects; the mount automatically slews to and tracks them. No internet needed: the mount creates its own network.


What do you see through the SkyMax-102?
The Moon is a landscape at this focal length: craters, rilles, and mountain ranges along the terminator. Jupiter shows cloud bands, Saturn its rings with the Cassini Division under good seeing, Mars its polar caps. Double stars and bright star clusters complete the program. This type of telescope is not designed for wide nebulae.
AZ-GTi: your smartphone as a star chart and remote control
The SynScan app shows what's visible tonight and points the telescope there with a single tap. Automatic tracking keeps objects steady in the eyepiece at high magnifications. With simple adapters and short exposures, initial steps in planetary photography are also possible.
This is how to get the most out of this telescope
- Give the thick correction lens cooling time: 30 to 45 minutes outside before looking at high magnification. A Maksutov rewards patience with a rock-steady image.
- Protect against dew The front-mounted meniscus lens fogs up faster than a mirror. A dew shield is the most useful first upgrade for this type of telescope.
- Virtually maintenance-free The closed tube keeps dust out and collimation is rarely an issue. Set it down and look.
- Magnification: the 10mm eyepiece already gives 130x; exactly what this optics are made for. Adding more magnification rarely makes sense in the Dutch climate.
- Take power with you A power bank or power tank will keep the GoTo mount going all evening, especially in the cold.
- Plan with the moon: Around the first quarter you see the most detail along the terminator. Our lunar calendar have the best nights in a row.
For whom yes and for whom no
Hello moon and planet watchers, city and balcony observers (bright targets are less affected by light pollution), and travelers who want a short, maintenance-free tube. Still unsure about the type? Our Telescope Buying Guide for Beginners List the considerations.
Not The field of view of this long focal length is too narrow for wide deep-sky fields; a short Newtonian would be a better fit. If you're looking for more aperture in the same format, the SkyMax-127 WiFi is the logical step. Long-exposure astrophotography goes with the smart telescopes; moon photos with a smartphone adapter are precisely a strong point on a Maksutov.
Featured accessories
These accessories add the most after purchase:
- Moon Filter 25%: at this long focal length, the moon is the main course, and bright. The Omegon Moon Filter 25% (1.25 inches) dims the light and increases the contrast. More explanation in our Moon filter guide.
- Smartphone adapter: Maksutov telescopes, with their long focal length, are particularly good for impressive moon photos taken with a phone. The Sky-Watcher SmartPhoto+ adapter comes with a special 20 mm photo eyepiece.
- Carrier bag The short tube calls for a compact bag. Check out the carrier bags and choose the size that fits.
Technical specifications
| Specification | Details |
|---|---|
| Optical design | Maksutov-Cassegrain |
| Opening | 102 mm |
| Focal length | 1300 mm (f/12.7) |
| Mount | AZ-GTi (alt-azimuth mount, GoTo, built-in WiFi) on aluminum tripod |
| Controls | SynScan app (iOS/Android), database with over 10,000 objects |
| Eyepieces | 25 mm (52x) and 0.4 inches (130x), 1.25 inches |
| Seeker | Red dot finder |
| Maximum useful magnification | Around 200x |

Included in the box
- Sky-Watcher SkyMax-102 optical tube
- AZ-GTi WiFi GoTo Mount with Adjustable Aluminum Tripod
- 25 mm eyepiece (52x) and 10 mm eyepiece (130x)
- Red dot finder
Honest advice from observers
We sell and use the Sky-Watcher line ourselves. In our Sky-Watcher merk Guide We'll explain which series are strong and which you'd rather skip. View the full range on our Sky-Watcher merk Page. Order before 11:59 PM for fast delivery, in the Netherlands and Belgium.









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