Bresser AC 102/600 AR-102S EXOS-2
The Bresser AC 102/600 AR-102S EXOS-2 is a versatile telescope for anyone who wants to see more of the night sky. Compact, powerful and easy to use - perfect for beginners with big ambitions. Whether you want to explore the moon, see Saturn's rings or photograph the Orion Nebula, this telescope offers clarity and stability in every observation.

Bright and ready for adventure
With an aperture of 102 mm and a focal length of 600 mm, this telescope captures a lot of light, keeping your images bright and rich in contrast. You'll see more detail in the moon, more color in planets and more structure in nebulae. Its compact design makes it easy to transport, so you can enjoy dark, clear nights out of town.
Fast and precise focusing with Hexafoc
The Hexafoc Focuser of 2″ offers smooth and precise focusing. You have complete control over every detail of your image. Add the optional 1:10 fine adjustment for even more precise focus, ideal for photography or high magnifications. This keeps every object in razor-sharp focus, without having to search for the perfect focus.

EXOS-2 mount: stable and powerful
The EXOS-2 mount is built for stability. Thanks to robust construction and dual bearings, the telescope moves smoothly and without vibration. This is essential for sharp images - especially at higher magnifications or during astrophotography. The carrying capacity and accurate tracking make the EXOS-2 a reliable base for long-term use.
GoTo system: discover at the touch of a button
With the GoTo System find your sky objects in seconds. Press the button, choose an object, and the telescope automatically focuses. Planets, galaxies, nebulae - everything is at your fingertips. The database contains more than 100,000 objects, so you'll never get bored. The backlit LCD screen is easy to read, even in the dark.
Ready for growth
The Messier series is designed to grow with you. Easily add accessories, attach a camera or expand with new lenses. The controls are intuitive and the build quality ensures years of enjoyment. This is a telescope you can really grow into.
What to expect
✓ Moon: sharp edges and fine crater details
✓ Planets: clear structures, colors and rings
✓ Deep-sky: visible nebulae, star clusters and galaxy parts
✓ Astrophotography: suitable for novice photographers
✗ Earth observation: not suitable
Specifications
Optics
| Feature | Description |
|---|---|
| Design | Achromat |
| Type | Refractor |
| Aperture (mm) | 102 |
| Focal length (mm) | 600 |
| Focal Ratio (f/) | 5,9 |
| Resolution | 1,13″ |
| Limit value (mag) | 11,8 |
| Light output | 210× |
| Max. useful magnification | 204× |
| Coating | MgF2 |
| Tube weight (kg) | 3,9 |
| Tube construction | Closed tube |
Focuser
| Feature | Description |
|---|---|
| Design | Hexafoc |
| Ocular connection | 2″ / 1,25″ |
| Free opening (mm) | 63,5 |
| Motorized | No |
| Rotatable | No |
| Reduction | Without |
Mount
| Feature | Description |
|---|---|
| Design | EXOS-2 |
| Type of mount | Equatorial |
| GoTo control | Yes |
| GPS | No |
| Database | 100,000 objects |
| Language | Multilingual |
| Manual | StarTracker |
| Interfaces | Autoguider ST-4 |
Tripod
| Feature | Description |
|---|---|
| Tripod type | Steel |
| Weight (kg) | 4,6 |
| Accessory holder | Yes |
| Canibelle | Yes |
Included accessories
| Section | Description |
|---|---|
| Ocular | 26 mm (1.25″) |
| Oculai adapter | 2″ / 1,25″ |
| Zenith mirror | 1.25″, 90° star diagonal |
| Tube Rings | Yes |
| Handle | Yes |
| Dovetail | Vixen-style |
| Camera adapter | T2 (M42 × 0.75) |
| Pole finder | Yes |
| Extensions | Yes |
| Accessory shoe | Meade/Explore Scientific T-Profil |
| Seeker | 6×30 |
| Dew cap | Yes |
General
| Feature | Description |
|---|---|
| Series | Messier |
| Observation goals | Moon & Planets, Nebulae & Galaxies |
| Astrophotography | Yes |
| Sun | No (only with suitable sunscreens) |
| Recommended for | Beginners & Advanced |
| Observatory use | No |
| Battery type | Mono (D, LR20) - 6 pieces |





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