Bresser N 203/800 NT 203S EXOS-2 GoTo - Powerful Newton Telescope for Sky AND Photography
The Bresser N 203/800 NT 203S EXOS-2 GoTo is made for those who want more than just viewing. This telescope opens the world of serious observation as well as astrophotography, without having to be a professional right away.
Clear Images, Fast Results
The 203 mm main mirror captures an enormous amount of light. That means you can see faint nebulae, distant galaxies and fine details on the moon with ease.
With a focal length of 800 mm (f/3.9) you get wide images with lots of brightness - ideal for deep-sky photos with short exposure times.
The parabolic mirror keeps stars sharp all the way to the edge of the image, keeping your shots bright and contrasty.
Precision in Every Motion
The EXOS-2 mount gives the telescope stability even at higher magnifications. Thanks to the double ball bearings everything moves smoothly and vibration-free.
The GoTo control takes the task of finding objects off your hands. At the touch of a button, the telescope automatically rotates to more than 100,000 celestial objects - From planets to star clusters. That way you spend your time looking instead of searching.
Smart Focus for Photography
The 2.5″ Hexafoc focuser offers firm, precise focusing.
The large focuser design prevents light loss and vignetting when shooting with larger sensors.
You can easily upgrade later with a 10:1 microfocuser, so you can focus even more accurately - a must for astrophotography.
Ready-to-use and Complete
Everything you need is included: a 26 mm Super Plössl eyepiece, 8×50 viewfinder, 2 counterweights, and a stainless steel tripod with accessory holder.
The camera adapter and T2 connection make it easy to shoot directly with your DSLR or astro-camera.
The telescope is powerful enough for experienced users, but intuitive enough for enthusiastic beginners who want to get started right away.
What You Can Expect
- Moon: crystalline craters, shadows and mountain ranges
- Planets: Saturn's rings, Jupiter's cloud bands and Mars’ polar caps
- Deep-sky: Orion nebula, Andromeda galaxy, M13
- Sun (with filter): safe observation of sunspots
Specifications
Optics
| Feature | Description |
|---|---|
| Type | Reflector |
| Design | Newton |
| Aperture (mm) | 203 |
| Focal length (mm) | 800 |
| Focal Ratio (f/) | 3,9 |
| Resolution | 0,57″ |
| Limit value (mag) | 13,3 |
| Light output (relative to eye) | 840× |
| Max. useful magnification | 406× |
| Main mirror design | Parabolic |
| Main mirror material | BK7 |
| Tube length (mm) | 700 |
| Tube diameter (mm) | 235 |
| Tube weight (kg) | 8,7 |
| Tube material | Aluminum |
Focuser
| Feature | Description |
|---|---|
| Design | Hexafoc |
| Ocular connection | 2″ |
| Free opening (mm) | 64 |
| Connection (camera side) | T2 |
| Backfocus (mm) | 60 |
| Fine adjustment | Optional (10:1) |
Mount
| Feature | Description |
|---|---|
| Type of mount | Equatorial |
| Design | EXOS-2 GoTo |
| GoTo steering | Yes |
| Database | >100,000 objects |
| Carrying capacity (kg) | 13 |
| Encoder | Yes |
| Motors | Servo |
| Interface | ST-4 autoguider |
| Language | Multilingual |
Tripod
| Feature | Description |
|---|---|
| Tripod type | Tripod |
| Material | Steel |
| Height (cm) | 108 |
| Weight (kg) | 4,9 |
| Accessory holder | Yes |
Included Accessories
| Section | Description |
|---|---|
| Ocular | 26 mm Super Plössl (1.25″) |
| Seeker | 8×50 |
| Eyepiece adapter | 2″ / 1,25″ |
| Tube Rings | Yes |
| Pole finder | Yes |
| Dovetail | Vixen-style |
| Counterpoint | 2 × 4.9 kg |
| Smartphone Holder | Yes |
| Solar filter | Yes |
| Star map | Yes |
Application
| Use | Suitable |
|---|---|
| Moon & Planets | Yes |
| Nebulae & Galaxies | Yes |
| Nature observation | No |
| Astrophotography | Yes |
| Sun (with filter) | Yes |
| Beginners | Yes |
| Advanced | Yes |
| Observatories | No |
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