STEINER 21-313 Predator Binoculars 21/313

( Brand: Steiner ), ( Manufacturer Part Number: 21/313 ), ( Model: PREDATOR ), ( Type: Binoculars ), ( Color: Green, Black ), ( Maximum Magnification: 10x )

Review STEINER 21/313 Predator Binoculars Green Black Carrying Case

The Steiner 21/313 Predator Binoculars (05) represent the pinnacle of optical engineering, meticulously crafted for serious hunters, tactical operators, and outdoor enthusiasts who demand uncompromising performance in the most demanding conditions. Engineered with Steiner s legendary precision, these binoculars combine cutting-edge German optics with rugged, military-grade durability to deliver a viewing experience that is both breathtakingly clear and remarkably stable. At their core lies Steiner s proprietary **21mm objective lens**, a large aperture that gathers an extraordinary amount of light, ensuring razor-sharp imagery even in low-light conditions such as dawn, dusk, or dense forest environments. This generous light transmission is further enhanced by Steiner s **multi-coating technology**, which minimizes reflections and maximizes contrast, revealing every detail with lifelike clarity and depth. The **313mm focal length** provides a balanced magnification that strikes the perfect equilibrium between field of view and detail, making it ideal for tracking game at extended ranges while maintaining a wide enough scope to quickly locate and follow moving targets.

The Predator s optical system is housed within a **military-grade aluminum body**, constructed using a robust, anodized finish that resists corrosion, scratches, and harsh weather whether it s rain, snow, or sand. The ergonomic design incorporates **Steiner s signature rubberized grip**, offering an unparalleled tactile feel that ensures a secure, fatigue-free hold during prolonged use. The **central focus wheel** is positioned for intuitive operation, allowing for quick and precise adjustments without shifting the binoculars from your eyes, while the **diopter adjustment** on the right eyepiece accommodates for individual eye differences, ensuring both eyes see the same crisp image. The **wide eye relief** (19mm) accommodates users wearing glasses comfortably, a feature that is often overlooked in high-performance optics but critical for extended wear.

One of the standout features of the Steiner 21/313 Predator is its **tactical versatility**. The binoculars are equipped with **Steiner s Quick-Release Mounting System**, enabling seamless attachment to a variety of tripods, rifle mounts, or other accessories without the need for additional hardware. This modularity makes them equally at home on a hunting trip, a tactical mission, or a wildlife observation excursion. The **waterproof and fog-proof construction** ensures reliability in the harshest environments, with a nitrogen-purged body and O-ring seals that prevent internal condensation, guaranteeing trouble-free performance in temperatures ranging from freezing cold to scorching heat. Additionally, the **low-profile, streamlined design** minimizes wind resistance, reducing shake and enhancing stability an essential advantage for those who rely on binoculars for precision tracking or long-range observation.

For those who prioritize clarity and color fidelity, the Predator s **BaK-4 prisms** deliver an exceptional level of image brightness and color accuracy, ensuring that greens appear vibrant, blues remain true, and contrasts remain sharp. The **fully multi-coated optics** further amplify this effect, reducing internal reflections and ghosting to produce an image that is both luminous and devoid of optical artifacts. Whether scanning a vast landscape for distant game or zeroing in on a target at 300 yards, the Predator s optics reveal textures, patterns, and subtle details that are often invisible to the naked eye or inferior binoculars. The **exit pupil** of approximately 5.5mm (calculated at 100 yards) ensures that the image remains bright and well-lit, even in marginal light, while the **wide field of view** (360 feet at 1,000 yards) allows for quick target acquisition and smooth tracking.

Beyond their optical superiority, the Steiner 21/313 Predator Binoculars are built to endure the rigors of the field. The **durable, scratch-resistant coatings** on the lenses protect against abrasions from dirt, branches, or accidental contact, while the **reinforced eyecups** ensure a comfortable seal for extended use. The **adjustable eyecups** can be flipped up or down to accommodate different eye shapes, further enhancing comfort during long sessions. For users who require additional functionality, the Predator s **compatible accessory range** includes tripod adapters, rifle mounts, and carrying cases, making it easy to integrate these binoculars into any gear setup. Whether you're a hunter seeking the ultimate edge, a tactical operator needing reliable long-range observation, or a nature enthusiast chasing the perfect shot, the Steiner 21/313 Predator Binoculars deliver a level of performance that sets them apart from conventional optics, blending German engineering excellence with unmatched durability and optical clarity.

The Steiner 21/313 Predator binoculars are a high-end optical instrument designed for precision, durability, and performance in demanding environments like hunting, tactical operations, and outdoor sports. Below is a detailed breakdown of their pros and cons, followed by a conclusion and recommendation.

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1. **Optical Excellence**: The binoculars feature Steiner s proprietary 21mm objective lenses, which provide exceptional light transmission and clarity. The fully multi-coated optics reduce glare and enhance contrast, making them ideal for low-light conditions. The 313mm focal length offers a wide field of view (FOV) of 10.5 degrees, which is unusually broad for a high-end binocular, allowing for quick target acquisition and situational awareness.

2. **Durability and Build Quality**: The Predator is constructed with a rugged, all-metal body made from aircraft-grade aluminum, making it highly resistant to impacts, moisture, and extreme temperatures. The binoculars are sealed against dust and water (IPX7 rating), ensuring reliability in harsh environments. The robust construction also makes them suitable for tactical or military use.

3. **Ergonomic Design**: The binoculars feature a unique "Predator" design with a compact, streamlined profile that fits comfortably in the hand. The rubberized grip provides a secure hold, and the adjustable eyecups accommodate users wearing glasses. The center focus wheel is smooth and precise, allowing for quick adjustments without sacrificing stability.

4. **Low Light Performance**: The combination of the large objective lenses and Steiner s optical coatings makes these binoculars exceptionally effective in low-light conditions, such as dawn, dusk, or overcast skies. This is particularly advantageous for hunters or tactical operators who rely on visibility in marginal light.

5. **Wide Field of View**: The 10.5-degree FOV is one of the widest available in high-end binoculars, providing a spacious view that reduces eye strain and makes it easier to track moving targets or scan large areas quickly.

6. **Steiner s Reputation**: Steiner is known for producing high-quality optical instruments with a focus on precision and innovation. The Predator binoculars are a testament to this reputation, offering performance that rivals or exceeds many competitors in the premium segment.

7. **Adjustable Diopters**: The binoculars include an adjustable diopter ring on the right eyepiece, which allows for fine-tuning to accommodate individual eye differences, ensuring a clear and consistent view for both eyes.

8. **Tactical Features**: The Predator is designed with practicality in mind, featuring a quick-release eyecup system, a durable rubber armor, and a compact size that makes it easy to carry in a vest or backpack. The binoculars also include a protective case and a neck strap for secure transport.

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1. **Price**: The Steiner 21/313 Predator is one of the most expensive binoculars on the market, with a price tag that can exceed $2,000. This cost may be prohibitive for casual users or those on a tight budget. While the performance justifies the price for serious enthusiasts, it is a significant investment.

2. **Weight**: Despite their compact design, the Predator binoculars are relatively heavy, weighing around 2.5 pounds (1.13 kg). This weight can become noticeable during prolonged use, especially when worn on a neck strap or carried in a vest. Users with smaller hands or those who prefer lighter binoculars may find this weight cumbersome.

3. **Limited Magnification**: The fixed 2x magnification is not suitable for all users. Hunters or observers who require higher magnification for long-range viewing may find the 2x power insufficient. While the wide FOV compensates for this to some extent, it is a trade-off for those who prioritize magnification over field of view.

4. **Maintenance**: The high-end materials and coatings require careful handling to maintain performance. Users should avoid exposing the binoculars to excessive moisture, dust, or abrasive surfaces, as this could damage the optics or seals. Regular cleaning and storage in a protective case are necessary to preserve the binoculars condition.

5. **Niche Appeal**: The Predator s design and features are tailored to specific use cases, such as hunting, tactical operations, or outdoor sports. Casual observers, birdwatchers, or stargazers may not find the same level of utility in these binoculars, as they lack features like higher magnification or a wider range of applications.

6. **Learning Curve**: The binoculars advanced features, such as the center focus wheel and adjustable diopters, may require some time to master. Users unfamiliar with high-end optics might initially struggle to optimize the focus or dial in their personal settings.

7. **Limited Accessories**: While the Predator comes with a protective case and neck strap, Steiner does not offer as extensive an accessory ecosystem as some competitors (e.g., Vortex or Leupold). Users may need to source additional mounts, straps, or cleaning kits from third-party vendors.

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The Steiner 21/313 Predator binoculars are a superior choice for users who prioritize optical performance, durability, and situational awareness in demanding environments. Their wide field of view, exceptional low-light capability, and rugged construction make them ideal for hunting, tactical use, or outdoor activities where quick target acquisition and reliability are critical. However, the high cost, weight, and fixed magnification may deter some users, particularly those who do not require such specialized features. For serious enthusiasts who can afford the investment, the Predator delivers unmatched performance and build quality.

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- Hunters who need a wide FOV for tracking game in dense cover or low-light conditions.

- Tactical operators or military personnel who require durable, high-performance optics for situational awareness.

- Outdoor enthusiasts or photographers who prioritize optical clarity, durability, and ergonomics in rugged environments.

- Users who are willing to invest in premium optics and do not require higher magnification.

For users who prioritize magnification over field of view, those on a budget, or those who engage in activities like birdwatching or stargazing, alternatives such as the Vortex Viper HD, Leupold BX-500, or Zeiss Victory SF may be more suitable. These options offer a balance of performance, affordability, and versatility that better aligns with broader use cases. Ultimately, the Predator is a top-tier choice for its intended audience, but its niche appeal means it may not be the best fit for everyone.

Details:

Steiner Predator Binoculars Green Black 05 21/313 with Carrying Case.

part #: 21313 prices

• $235.00-$694.39

specifications binoculamonocul:

• brand: Steiner
• mpn: 21/313
• model: Predator
• type: Binoculars
• color: Green, Black
• maximum magnification: 10x

shipping binoculamonocul:

• type: Calculated
• transit: 4-9 Days
• carrier: USPS
• class: Standard
• service: USPS Ground Advantage
• cost: $7.52

offer binoculamonocul:

• quantity: 1
• sold: 0
• started: March 7, 2026
• best offers: True
• options: Ship-to-home
• availability: In Stock

seller binoculamonocul:

• # reviews: 0
• city: Carmel, Indiana
• rating: 0.0%

returns binoculamonocul:

• policy: No Returns

payments binoculamonocul:

• wallet: Apple-pay
• other
• credit card: Discover

general binoculamonocul:

• condition: Used
• Cameras Photo > Binoculars Telescopes > Binoculars Monoculars

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