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Take a look through the new Vixen BT-81S-A binocular telescope.
This model is ideal for observing gas nebula, star clusters and comets.
The magnesium fluoride coating reduces chromatic aberration and the large aperture of 81 mm ensures a razor-sharp, contrast-rich image.
Weighing just 4.1 kg, the BT-81S-A binocular telescope is very transportable.
FEATURES
WHAT’S INCLUDED
This model is ideal for observing gas nebula, star clusters and comets.
The magnesium fluoride coating reduces chromatic aberration and the large aperture of 81 mm ensures a razor-sharp, contrast-rich image.
Weighing just 4.1 kg, the BT-81S-A binocular telescope is very transportable.
FEATURES
- Objective lenses: 81 mm 2-lens achromat, multi-coated
- Focal length: 480 mm (f5.9)
- Resolution and limiting magnitude: 1.43 arc seconds; 11.3
- Light-gathering power: 134x
- Dimensions and weight: 480 x 190 x 155 mm; 14.0 kg
- Adapter and connections: 31.7 mm clamp
WHAT’S INCLUDED
- HF2 fork mount
- SXG-HAL130 tripod
- Carry handle
- finder shoe
- Dew caps
- 2 SLV 20 mm eyepieces
- Swing bracket binocular cradle
Technical Data
| Field of application | |
|---|---|
| Field of application |
|
| Product family | |
| Product Family | Refractor telescope |
| Type | |
| Type | Giant Binoculars |
| OPTICAL SPECIFICATIONS | |
| Optical design |
|
| Magnification Zoom max. | 50 |
| Mirror/Lens diam. | 81 mm |
| Type of coating | Multi coated |
| Colour of coating | blue |
| Number of lenses | 2 |
| Eyepieces for eyeglass wearers | ✓ |
| GENERAL TECHNICAL DATA | |
| Colour | white |
| Body material | Aluminium |
| Tripod adapter thread | ✓ |
| Focusing system | 1.25" Helical focuser |
| Single eye adjustment | ✓ |
| Material | Aluminium |
| Dust protection caps | Dust protection caps for front lens and eyepiece holder |
Technical Data
| Field of application | |
|---|---|
| Field of application |
|
| Product family | |
| Product Family | Refractor telescope |
| Type | |
| Type | Giant Binoculars |
| OPTICAL SPECIFICATIONS | |
| Optical design |
|
| Magnification Zoom max. | 50 |
| Mirror/Lens diam. | 81 mm |
| Type of coating | Multi coated |
| Colour of coating | blue |
| Number of lenses | 2 |
| Eyepieces for eyeglass wearers | ✓ |
| GENERAL TECHNICAL DATA | |
| Colour | white |
| Body material | Aluminium |
| Tripod adapter thread | ✓ |
| Focusing system | 1.25" Helical focuser |
| Single eye adjustment | ✓ |
| Material | Aluminium |
| Dust protection caps | Dust protection caps for front lens and eyepiece holder |
Product reviews
HF2-BT81S-A Complete binocular telescope set
What our customers say:
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