English
SPEZIAL ASTRO binoculars from BRESSER are ideal for astronomy and landscape observation.
This is a professional large binocular with ED glass objective lenses for the very highest demands on color fidelity and brilliance. With the best viewing characteristics, a robust marine version and a sturdy tripod adapter.
Thanks to fully multi coated Bak-4 glass material, the extra large objective lens diameter and highly corrected eyepieces with 5 lenses in 3 groups these binoculars provide bright, crisp images from edge to edge. The high 20x magnification it is convenient not only for observing astronomical objects but is also practical for viewing distant terrestrial objects. Due to a very high reduction of stray light, the binoculars deliver the best possible picture and a perfect sight. With the individual eyepiece focus once set you can get a sharp image for all astronomical distances. Foldable rubber eyecups give eye glass wearers the possibility of making the best use of these optics’ field of view.
The binoculars are waterproof and ARGON gas filled to avoid internal fogging. The ergonomic rubber armouring provides a good grip and is also protected against shocks.
With the included heavy duty foto tripod adapter the SPEZIAL ASTRO ED can be mounted onto any foto tripod which offers a standard 1/4inch or 3/8inch thread. The use of a tripod is also highly recommended at a high magnification of 20x to obtain a steady image.
FEATURES
SCOPE OF DELIVERY
This is a professional large binocular with ED glass objective lenses for the very highest demands on color fidelity and brilliance. With the best viewing characteristics, a robust marine version and a sturdy tripod adapter.
Thanks to fully multi coated Bak-4 glass material, the extra large objective lens diameter and highly corrected eyepieces with 5 lenses in 3 groups these binoculars provide bright, crisp images from edge to edge. The high 20x magnification it is convenient not only for observing astronomical objects but is also practical for viewing distant terrestrial objects. Due to a very high reduction of stray light, the binoculars deliver the best possible picture and a perfect sight. With the individual eyepiece focus once set you can get a sharp image for all astronomical distances. Foldable rubber eyecups give eye glass wearers the possibility of making the best use of these optics’ field of view.
The binoculars are waterproof and ARGON gas filled to avoid internal fogging. The ergonomic rubber armouring provides a good grip and is also protected against shocks.
With the included heavy duty foto tripod adapter the SPEZIAL ASTRO ED can be mounted onto any foto tripod which offers a standard 1/4inch or 3/8inch thread. The use of a tripod is also highly recommended at a high magnification of 20x to obtain a steady image.
FEATURES
- Binoculars for astronomical and landscape observations
- Extremly high light gathering capacity
- High magnification for for distant objects
- Fully multi coated optics
- Waterproof and ARGON gas filled against fogging
- Magnification: 15x / objective lens diameter: 70mm
- Individual eyepiece focus and foldable rubber eyecups
- Highly corrected eyepieces for crisp images from edge to edge
- Ergonomic rubber armouring - protected against shocks
- Dimensions: 310x250x100mm / weight: 2700g
- Heavy duty foto tripod adapter included
SCOPE OF DELIVERY
- Binocular
- Photo tripod adapter
- Neckstrap
- Dust covers
- Case
- Instruction manual
Technical Data
| Field of application | |
|---|---|
| Field of application |
|
| Product family | |
| Product Family | Spezial-Astro |
| Type | |
| Type |
|
| OPTICAL SPECIFICATIONS | |
| Optical design | Porro |
| Magnification | 20 |
| ED glass | ✓ |
| LE Eyepieces | ✓ |
| Mirror/Lens diam. | 80 mm |
| Material prisms |
|
| Type of coating | Fully multi-coated |
| Exit pupil min. | 4 mm |
| Eyepieces for eyeglass wearers | ✓ |
| Diopter setting | ✓ |
| Field of view at 1000m7 | 58 m |
| Field of view | 3.3 degrees |
| Twilight factor7 | 40 |
| Near focus from7 | 20 m |
| GENERAL TECHNICAL DATA | |
| Waterproof8 | ✓ |
| Bag/Pouch | nylon carrying case with storage compartments. |
| Inert gas purged | ✓ |
| Colour | black |
| Body material | Aluminium |
| Tripod adapter thread | ✓ |
| Single eye adjustment | ✓ |
| Eyecups | Rubber eyecups, foldable |
| Interpupilar distance min. | 56 mm |
| Interpupilar distance max. | 74 mm |
| Eye relief | 16 mm |
| Body armouring | Rubber |
| Dust protection caps | Dust protection caps for front lens and eyepiece holder |
| Extended warranty | 10 years |
| DIMENSIONS & WEIGHTS | |
| Total length | 310 mm |
| Total width | 250 mm |
| Total height | 100 mm |
| Net weight (without access.) | 2700 g |
Technical Data
| Field of application | |
|---|---|
| Field of application |
|
| Product family | |
| Product Family | Spezial-Astro |
| Type | |
| Type |
|
| OPTICAL SPECIFICATIONS | |
| Optical design | Porro |
| Magnification | 20 |
| ED glass | ✓ |
| LE Eyepieces | ✓ |
| Mirror/Lens diam. | 80 mm |
| Material prisms |
|
| Type of coating | Fully multi-coated |
| Exit pupil min. | 4 mm |
| Eyepieces for eyeglass wearers | ✓ |
| Diopter setting | ✓ |
| Field of view at 1000m7 | 58 m |
| Field of view | 3.3 degrees |
| Twilight factor7 | 40 |
| Near focus from7 | 20 m |
| GENERAL TECHNICAL DATA | |
| Waterproof8 | ✓ |
| Bag/Pouch | nylon carrying case with storage compartments. |
| Inert gas purged | ✓ |
| Colour | black |
| Body material | Aluminium |
| Tripod adapter thread | ✓ |
| Single eye adjustment | ✓ |
| Eyecups | Rubber eyecups, foldable |
| Interpupilar distance min. | 56 mm |
| Interpupilar distance max. | 74 mm |
| Eye relief | 16 mm |
| Body armouring | Rubber |
| Dust protection caps | Dust protection caps for front lens and eyepiece holder |
| Extended warranty | 10 years |
| DIMENSIONS & WEIGHTS | |
| Total length | 310 mm |
| Total width | 250 mm |
| Total height | 100 mm |
| Net weight (without access.) | 2700 g |
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BRESSER Spezial Astro SF 20x80 ED Binoculars
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