Bresser SF 20×80 ED - Powerful binoculars for stars and landscape
The Bresser SF 20×80 ED is built for those who want to see further - literally. Whether viewing the Moon, tracking the Milky Way or photographing distant landscapes, these binoculars deliver razor-sharp and clear images with impressive depth.

Clear images even in the dark
The large objective lenses of 80 mm catch a lot of light. In combination with ED glass and BaK-4 prisms you get images that remain bright and contrasty, even in low light. The 20x magnification brings the sky closer - ideal for astronomical observation as well as distant terrestrial targets.
Made for maximum sharpness
Fully multilayer coated lenses reduce stray light and improve color reproduction. The result: images with deep blacks, pure colors and sharp details. The single eyepiece focus allows you to focus once and then look relaxed - perfect during long observations.

Robust, waterproof and easy to use
The housing is filled with argon gas and completely waterproof. That prevents fogging and protects against moisture, so you're always ready for action. The rubber coating provides firm grip and protects against impacts. Spectacle wearers also look comfortable thanks to diopter correction and foldable eyecups.
Stable view with tripod adapter
At 20x magnification, you want stability. That's why the binoculars come with a robust photo tripod adapter. Mount it on any tripod with ¼” or ⅜” threads for a flicker-free image - indispensable for long sessions under the stars.
Included
- Binoculars
- Photo Tripod Adapter
- Carrying Strap
- Dust caps
- Storage bag
- User Manual
Specifications
Optics
| Feature | Description |
|---|---|
| Design | Porro |
| Enlargement | 20x |
| Objective lens diameter | 80 mm |
| Exit pupil | 4 mm |
| Glass material | BaK-4 |
| Lens Coating | Full multiple |
| Eye relief | 16 mm |
| Interpupillary distance | 56-74 mm |
| Focus system | Single eyepiece focus |
| Diopter correction | Yes |
Mechanical
| Feature | Description |
|---|---|
| Gas filling | Argon |
| Waterproof | Yes |
| Shock Protection | Yes, rubber covering |
| Tripod connector | Yes |
| Housing material | Aluminum |
| Color | Black |
| Eyepiece caps | Foldable |
Field of view
| Feature | Description |
|---|---|
| Field of view at 1,000 m | 58 m |
| True field of view (°) | 3,3° |
| Shortest focusing distance | 20 m |
| Twilight Number | 40 |
General
| Feature | Description |
|---|---|
| Length | 310 mm |
| Width | 250 mm |
| Height | 100 mm |
| Weight | 2.700 g |
| Series | Spezial Astro |
| Application | Astronomy, landscape observation |
| Bird watching | Well suited |
| Yacht / Travel / Sailing / Theater | Not recommended |











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