Bresser AC 90/900 - Discover the Night Sky with Sharp Images
The Bresser AC 90/900 is the ideal telescope for those who want to explore the Moon, planets and even some galaxies for the first time. Compact, easy to use and powerful enough to amaze you - perfect for beginners who want to start without the hassle.
Bright images, natural colors
The lens aperture of 90 mm captures ample light to deliver sharp and high-contrast images. Thanks to the achromatic design, color aberrations are greatly reduced. That means your images remain clear and true to life, without distracting color tones around bright objects. So you'll enjoy a clean image of the Moon, Jupiter or Saturn, even at higher magnifications.
The focal length of 900 mm (f/10) makes this telescope particularly suitable for observing details: craters, lunar shadows, the rings of Saturn or the cloud bands on Jupiter.
User-friendly and stable
The AZ-EQ mount You can use it in two ways. For a quick look at the Moon or a bird on the horizon, place it horizontally in the azimuthal position. Want to follow the sky as the stars move? Tilt it into the equatorial position and move smoothly with the earth's rotation. This will keep your target neatly in view.
The sturdy aluminum tripod provides stability so the image remains calm even at high magnifications.
Safely observing sunlight
Unique to this set: a solar filter that allows you to safely view sunspots. So you can discover what the sky has to offer both during the day and at night.
Ready to use immediately
Everything you need is included. Two eyepieces, a 3x Barlow lens, a red dot finder and a 90° diagonal prism complete the set. Thanks to the included smartphone holder, you can also easily take photos of your observations.
What to expect
- Moon: sharp craters, shadows and mountains
- Jupiter: cloud bands and moons
- Saturn: the iconic rings
- Bright deep-sky objects: Orion Nebula and Andromeda
The Bresser AC 90/900 combines ease of use, clarity and stability in one affordable package. You don't need experience - just curiosity and a clear night.
Specifications
Optics
| Feature | Description |
|---|---|
| Design | Achromat (refractor) |
| Type | Refractor |
| Aperture (mm) | 90 |
| Focal length (mm) | 900 |
| Focal Ratio (f/) | 10 |
| Resolution (theoretical) | 1,28″ |
| Boundary magnitude | 11,6 |
| Light output relative to eye | 170× |
| Max. useful magnification | 180× |
| Coating | MgF₂ |
| Tube construction | Full tube |
| Tube material | Aluminum |
Focuser
| Feature | Description |
|---|---|
| Design | Rack |
| Ocular connection | 1,25″ |
Mount
| Feature | Description |
|---|---|
| Type of mount | AZ-EQ (azimuthal & equatorial) |
| GoTo steering | No |
| Motors | No |
Tripod
| Feature | Description |
|---|---|
| Tripod type | Tripod with accessory holder |
| Material | Aluminum |
Included accessories
| Section | Description |
|---|---|
| Eyepieces | 4 mm & 20 mm (1.25″) |
| Barlow lens | 3× |
| Seeker | Red dot finder |
| Prism | 1.25″, 90° star diagonal |
| Solar filter | Yes |
| Dew cap | Yes |
| Slow motion cable | 2 |
| Smartphone adapter | Yes |
General
| Feature | Description |
|---|---|
| Shipping Weight | 6.6 kg |
| Application | Moon & Planets, Nebulae & Galaxies, Sun (with filter) |
| Astrophotography | Not suitable |
| Recommended for | Beginners |
| Observatory use | No |
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