Vixen large binoculars complete set with 81-mm binocular, tripod, mount, and two eyepieces for observing the starry sky, nature, and landscape
- Complete set with mount and eyepieces
- Exchangeable eyepieces 81 mm objective lenses
- Resolution and limiting magnitude: 1.43 arc seconds; 11.3
- Razor-sharp and contrast-rich image
- Weight of optics: 4.1 kg
- Total weight: 14.1 kg
£1,916.00*
Available, delivery time: 10-12 working days
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Telescopes - Optics and mechanics
The ultimate guide to the ideal microscope for examinations of koi parasites.
Read nowFAQ - Frequently Asked Questions
- Alt-azimuth: easy to use, moves horizontally and vertically
- Equatorial: enables precise tracking of objects with only one axis – ideal for high magnifications and astrophotography
- Moon: from 30 mm
- Planets: from 100 mm
- Deep sky: from 150 mm
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Service Portal
Please use our product help search to find answers to your questions. Simply enter the item number or EAN and open the matching help page directly.
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FAQ - Frequently Asked Questions
- BK-7 (borosilicate glass): Standard, good imaging performance
- BaK-4 (barium crown glass): Higher quality, rounder exit pupils, brighter and higher-contrast image
Product information "HF2-BT81S-A Complete binocular telescope set"
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
| Batteries included: | No |
|---|---|
| Batteries required: | No |
| Body material: | Aluminium |
| Colour: | white |
| Colour of coating: | blue |
| Compass: | No |
| Diopter setting: | No |
| Dust protection caps: | Dust protection caps for front lens and eyepiece holder |
| ED glass: | No |
| Eyepieces for eyeglass wearers: | Yes |
| Field of application [Binoculars]: | Astronomy , Bird watching & Nature observation , Long-range observation , Night |
| Focusing system: | 1.25" Helical focuser |
| Inert gas purged: | No |
| LE Eyepieces: | No |
| Magnification Zoom max.: | 50 |
| Material: | Aluminium |
| Mirror/Lens diam. (mm): | 81 |
| Number of lenses: | 2 |
| Optical design: | Abbe-König , Achromatic Refractor |
| Power supply unit included: | No |
| Product Family [Binoculars]: | Großfernglas |
| Single eye adjustment: | Yes |
| Tripod adapter thread: | Yes |
| Type [Binoculars]: | Giant Binoculars |
| Type of coating: | Multi coated |
| Waterproof 8): | No |
| Zoom function: | No |
Product and safety instructions
Manufacturer:
Bresser GmbH, Gutenbergstraße 2, 46414 Rhede
www.bresser.de