Description
Steiner Nighthunter Xtreme 8×56 Binoculars
The Steiner Nighthunter Xtreme 8×56 Binoculars are designed for demanding observation in low-light conditions, particularly during the critical hours around dusk and dawn. Combining 8× magnification, large 56 mm objective lenses, Steiner's Diamond Night™ lens coatings, and a rugged Porro prism optical system, the Nighthunter Xtreme is built to deliver exceptionally bright, clear, and high-contrast images when available light is limited.
With 94%+ light transmission, the Nighthunter Xtreme 8×56 is engineered to extend useful viewing time into the early morning, late evening, and other challenging lighting conditions. Its large 56 mm objectives gather substantial amounts of available light, while the 7 mm exit pupil makes efficient use of the observer's eye pupil in low-light environments. The result is a binocular particularly well suited to wildlife observation, hunting, nature observation, and other applications where seeing detail in dim conditions is important.
Exceptional Low-Light Optical Performance
The defining feature of the Nighthunter Xtreme is its emphasis on low-light performance. Steiner's Diamond Night™ lens coatings are designed to provide more than 94% light transmission across a broad range of the visible spectrum. This high transmission helps produce bright images with strong contrast and good colour reproduction when daylight begins to fade.
The 8× magnification provides a useful balance between reach and image stability. Compared with higher-magnification binoculars, an 8× binocular is generally easier to hold steady, which can be particularly useful during extended observation. Combined with the large 56 mm objective lenses, the optical configuration is especially well suited to watching distant wildlife and landscapes during dawn and dusk.
Porro Prism Design
The Nighthunter Xtreme uses a traditional Porro prism optical system, which Steiner specifically designed to provide strong depth perception and a wide field of view. The Porro configuration creates a pronounced three-dimensional impression that can help the observer judge the position and distance of subjects within a scene.
For wildlife and outdoor observation, this can be useful when quickly locating and evaluating a moving or partially concealed subject. The design also contributes to the characteristic optical performance for which large Steiner Porro prism binoculars are known.
Sports-Auto-Focus™ System
Another major advantage is Steiner's Sports-Auto-Focus™ system. Instead of continuously adjusting a central focusing wheel, each eyepiece is individually adjusted to match the user's eyesight. Once properly set, the binocular is designed to provide sharp images from approximately 20 yards to infinity.
This system is particularly convenient when observing moving subjects or scanning a large outdoor area. After the initial adjustment, there is no need to repeatedly refocus as the subject or viewing distance changes within the system's intended range. This makes the Nighthunter Xtreme well suited to fast-paced observation where the user needs to keep attention on the subject rather than the focusing mechanism.
Rugged Construction for Demanding Outdoor Use
The Nighthunter Xtreme is built to withstand demanding outdoor conditions. Its Makrolon® housing combines a durable polycarbonate chassis with NBR Long-Life rubber armoring, providing a rugged exterior while keeping the binocular relatively lightweight for its size.
The housing is designed to withstand impacts of up to 11 Gs, helping protect the binocular during demanding field use. The rubber armoring also provides a secure grip, even when the binocular is being handled in difficult weather conditions.
Steiner's Comfort Grip System adds textured rubber armoring and soft TechnoGel® thumb pads. These features are designed to reduce hand fatigue during extended observation sessions, making the large 8×56 binocular more comfortable to hold for long periods.
Fogproof and Waterproof Protection
The binocular incorporates Steiner's N2 Injection™ System, which seals the optical system with pressurized dry nitrogen at 14 psi. This helps prevent internal fogging when the binocular is exposed to significant changes in temperature.
The Nighthunter Xtreme is also waterproof to 16 feet (5 metres). Its sealed construction helps protect the optical system from rain, snow, water, grit, and dust, making it suitable for use in a wide range of outdoor environments.
Comfortable and Practical Handling
Although the 56 mm objectives make the Nighthunter Xtreme larger than compact 8×42 or 10×42 binoculars, the design is intended to provide a practical balance between optical performance and handling. At approximately 38 oz (1.08 kg), it is substantial enough to provide a stable platform while remaining manageable for extended field observation.
The binocular also features Steiner's ClicLoc® system, allowing the neck strap or compatible harness to be attached and released with the push of a button. The system is designed to keep the binocular hanging straight and readily accessible when moving through the field.
Ideal for Hunting, Wildlife and Nature Observation
The Nighthunter Xtreme 8×56 is particularly well suited to users who frequently observe outdoors during dawn, dusk, and other low-light periods. Hunters can benefit from its bright image and strong depth perception when scanning open terrain, while wildlife observers can use its large objectives to maintain useful viewing performance as daylight decreases.
It is also suitable for general nature observation, outdoor surveillance, and landscape viewing where brightness and ruggedness are more important than compact size.
The 8×56 configuration is not intended to be an ultra-compact travel binocular. The large objective lenses and rugged construction make it considerably larger and heavier than typical 8×32 or 8×42 models. However, that additional size is directly related to its ability to gather light and provide a large exit pupil, which are important advantages when observing in dim conditions.
Who Is the Steiner Nighthunter Xtreme 8×56 For?
The Steiner Nighthunter Xtreme 8×56 is an excellent choice for users who prioritize optical brightness and low-light performance over compactness. It is especially suitable for:
- Hunting and wildlife observation
- Dawn and dusk observation
- Nature and landscape viewing
- Long-duration outdoor observation
- Low-light field use
- Users who prefer a stable 8× view
- Observers who value rugged, weather-resistant construction
For lightweight travel, hiking, or general daytime use, a smaller binocular such as an 8×42 may be easier to carry. The Nighthunter Xtreme is designed instead for situations where maximum low-light capability and rugged outdoor performance are more important than minimum size and weight.
Why Choose the Steiner Nighthunter Xtreme 8×56?
The Steiner Nighthunter Xtreme 8×56 combines a large-aperture 8× optical system with Steiner's Diamond Night™ coatings, Porro prism design, Sports-Auto-Focus™, and rugged all-weather construction. Its 94%+ light transmission, 56 mm objective lenses, and 7 mm exit pupil make it particularly well suited to the periods of the day when available light is limited.
With its Makrolon® housing, NBR Long-Life rubber armoring, Comfort Grip System, N2 Injection™ fogproofing, and waterproof construction, the Nighthunter Xtreme is designed not simply to produce a bright image, but to remain dependable in demanding outdoor environments.
For observers who regularly work at the edge of daylight, the Nighthunter Xtreme 8×56 provides a specialized combination of brightness, depth perception, ruggedness, and ease of use in a full-size binocular.

Specifications
| Specification | Details |
|---|---|
| Product Type | Binoculars |
| Series | Steiner Nighthunter Xtreme |
| Optical Design | Porro Prism |
| Magnification | 8× |
| Objective Lens Diameter | 56 mm |
| Exit Pupil | 7 mm |
| Field of View at 1,000 m | 112 m |
| Light Intensity (Relative Brightness) | 49 |
| Twilight Factor | 21.2 |
| Lens Coating | Diamond Night™ / Fully Multicoated |
| Light Transmission | 94%+ |
| Focusing System | Sports-Auto-Focus™ / Individual Eyepiece Focus |
| Focus Range | 20 yards to Infinity / 18 meters to infinity |
| Diopter Adjustment | Individual adjustment on each eyepiece |
| Eyecups | ErgoFlex™ rubber eyecups, foldable |
| Eye Relief | — |
| Glass Material | High-Definition optical glass |
| Image Stabilizer | No |
| Zoom Function | No |
| Compass | No |
| Rangefinder | No |
| Tripod Mount | No |
| Waterproof | Yes, to 5 m / 16 ft |
| Nitrogen Filled | Yes |
| Fogproof | Yes |
| Housing | Makrolon® polycarbonate |
| Armoring | NBR Long-Life rubber armoring |
| Comfort Grip | TechnoGel® thumb pads |
| Impact Resistance | Up to 11 G |
| Strap Attachment | ClicLoc® |
| Carrying Case | Yes |
| Neck Strap | ClicLoc® neoprene strap |
| Rain Cover | Yes |
| Objective Lens Caps | Yes |
| Weight | 1,090 g |
| Width | 200 mm / 7.9 in |
| Height | 212 mm / 8.3 in |
| Depth | 76 mm / 3.0 in |
| Color | Dark forest green (hunting green or military green) is available |
Please note: The actual product may differ slightly from the images in color, finish, or other minor details.





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