SVBONY SV406 20-60x80 HD Spotting Scope
- 80mm Objective Lens
- 20-60x Zoom Magnification
- Dual-Focus Mechanism
- IPX7 Waterproof & Nitrogen Filled
- Standard 1.25" Eyepiece Barrel
- 21mm-16mm Eye Relief
The SVBONY SV406 Spotting Scope HD 20-60x80 combines a large 80mm objective lens for superior light gathering with a versatile 20-60x magnification range. Its optical system delivers a field of view as wide as 2.1° at 20x, while the H-BaK4 prism and fully multi-coated lenses ensure bright, high-contrast images with a sharp 2.0" resolution. With a generous eye relief of 21mm at low power and an IPX7 waterproof rating, it delivers comfortable, reliable views in any weather.
The core of the SV406 is its large 80mm objective lens, designed to capture maximum light for bright, clear images, even in low-light conditions like dawn or dusk. All air-to-glass surfaces feature full multi-coatings (FMC), and the internal roof prism is made from high-index H-BaK4 glass. This combination maximizes light transmission and minimizes internal reflections, resulting in true-to-life color and sharp detail across the entire field.
The included zoom eyepiece provides a flexible 20x to 60x power range, adapting to any viewing situation. At 20x, you get a wide 2.1° true field of view (108 ft at 1000 yds), perfect for quickly locating wildlife or scanning a landscape. As you increase magnification to 60x, you can zero in on fine details, like the markings on a distant bird or scoring rings on a target, all with a crisp 2.0" resolution.
Acquiring a perfectly sharp image is streamlined by the dual-focus system. The larger, coarse-focus knob allows you to make rapid adjustments to quickly bring your subject into approximate focus. The smaller, fine-focus knob then lets you dial in critical sharpness with precision, which is essential for resolving subtle details at high magnification or confirming a target hit downrange.
Built to withstand the elements, the SV406 is sealed and nitrogen-purged to an IPX7 waterproof standard, preventing internal fogging and protecting the optics from rain, humidity, and dust. The generous 21mm-16mm eye relief and twist-up eyecup provide comfortable viewing for all users, including those who wear eyeglasses. At 1625g (3.58lb), the scope has substantial heft, requiring the stability of the included tripod or another sturdy mount for steady, high-power observation.
Unlike scopes with fixed eyepieces, the SV406 features a standard 1.25-inch eyepiece barrel. This allows you to remove the included zoom eyepiece and experiment with other 1.25" eyepieces, such as fixed focal length models for specialized viewing. This industry-standard interface also enables compatibility with accessories like the SVBONY SC001 WiFi camera for digiscoping, transforming your visual tool into a long-range imaging system.
Yes. The SV406 offers a long eye relief ranging from 21mm to 16mm, which is ample for most eyeglass wearers to see the entire field of view comfortably. The twist-up eyecup allows you to set the proper distance between your glasses and the eyepiece lens.
The dual-focus mechanism is ideal for observing active subjects like birds. You can use the coarse focus knob to quickly find a bird in a tree, then use the fine focus knob to precisely resolve feather details or markings without overshooting the point of critical sharpness.
Absolutely. The 20-60x magnification range is well-suited for spotting hits on paper targets at these distances. The 80mm objective provides a bright image, and the fine-focus control allows you to achieve the critical sharpness needed to resolve small caliber holes clearly.
Yes, the 80mm aperture makes the SV406 a capable instrument for casual astronomical viewing. It will provide detailed views of the Moon's craters, the phases of Venus, the moons of Jupiter, and the rings of Saturn. The standard 1.25" eyepiece port also allows you to use standard astronomy eyepieces.
The primary trade-off for its powerful magnification and large objective is its near focus distance of 8 meters (about 26 feet). This makes it unsuitable for observing very close subjects like insects or butterflies. It is designed specifically for long-distance observation.
The IPX7 rating means the SV406 is fully protected against water intrusion and can be submerged in up to 1 meter of water for 30 minutes. Combined with nitrogen purging to prevent internal fogging, you can confidently use the scope in heavy rain or humid conditions without risk of damage to the optics.
| Power | 20x-60x |
| Objective Diameter | 80mm / 3.15" |
| Focal Length | 430mm |
| Eyepiece Diameter | 23mm |
| Eyepiece Barrel Size | 1.25" |
| Zoom Eyepiece Structure | 6 Elements in 3 Groups |
| Lens Structure | 10 Elements in 7 Groups |
| Prism Type | Roof Prism |
| Prism Glass | H-BaK4 |
| Prism Coating | FMC |
| Lens Coating | Fully Multi-Coated |
| Real Field of Angle | 2.1° - 1.2° |
| Apparent Field of View | 42° - 66° |
| Field of View (ft/1000yds) | 108 ft - 60 ft |
| Field of View (m/1000m) | 38m - 19m |
| Resolution | 2.0" |
| Exit Pupil | 4mm - 1.3mm |
| Eye Relief | 21mm - 16mm |
| Focus System | Dual Focus Mechanism |
| Focus Type | Internal Porro Prism |
| Near Focus | 8m |
| Waterproof | IPX7 |
| Nitrogen Filled | Yes |
| Eye Cup Type | Twist-up |
| Net Weight | 1625g / 3.58lb |
| Dimensions | 405x180x120mm |
SVBONY SV406 Spotting Scope
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Portable Case
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Tripod
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Objective Lens Cap
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Eyepiece Cap
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Lens Cleaning Cloth
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User Manual
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