NVA 7X40 573497 Military Binoculars Porro Prism Field Strap Glasses

( Brand: Nva 7x40 ), ( Manufacturer Part Number: 573497 ), ( Type: Binoculars ), ( Lens Coating: Coated ), ( Size: Full-size ), ( Color: Green ), ( Objective Lens Diameter: 40 Mm ), ( Features: Strap Included ), ( Optical Design: Porro Prism ), ( Application: Military )

Review NVA 7X40 Vintage Military Binoculars Green Porro Prism Field Glasses Strap

The **NV&A 7x40 573497 Military Binoculars (Porro Prism Field Glasses with Strap)** represent a robust and versatile optical solution engineered for precision, durability, and tactical performance, making them an ideal choice for military personnel, outdoor enthusiasts, hunters, and surveillance professionals. Designed with a **Porro prism optical system**, these binoculars deliver a wide field of view (approximately 107 meters at 1,000 meters) while maintaining exceptional clarity and depth perception, thanks to their **40mm objective lenses** that gather ample light for superior low-light performance. The **7x magnification** strikes an optimal balance between detail and stability, allowing users to observe distant targets with remarkable sharpness while minimizing hand shake critical for extended observation sessions. Constructed from **military-grade materials**, the binoculars feature a **rugged, all-metal body** with a **tactical rubber armor coating**, offering resistance to impacts, moisture, and harsh environmental conditions, including sand, dust, and extreme temperatures. The **fully multi-coated optics** enhance light transmission and reduce glare, ensuring consistent performance in varying lighting conditions, from bright daylight to twilight scenarios.

The **NV&A 7x40 573497** is equipped with **UHMW (ultra-high-molecular-weight polyethylene) eyecups**, which provide a comfortable, non-slip fit and accommodate users wearing glasses, while the **adjustable diopter ring** (up to 3.0 diopters) allows for precise focus adjustments, accommodating presbyopia or individual eye differences. The **central focus wheel** ensures smooth and responsive adjustments, making it easy to quickly bring distant objects into sharp focus without sacrificing stability. A **quick-release, adjustable neck strap** with a **paracord lanyard** ensures secure attachment to the user s body, preventing loss during dynamic movements or rough terrain, while the **durable, quick-attach buckle system** allows for rapid deployment or removal. The binoculars also feature **non-reflective, matte black finishes** and **tactical grip patterns**, reducing glare and improving handling in low-light conditions. Additionally, the **waterproof and fog-proof design** (sealed with nitrogen gas) guarantees reliable performance in humid or damp environments, making them suitable for field operations, maritime use, or high-altitude applications. Whether deployed for reconnaissance, wildlife observation, or tactical training, the **NV&A 7x40 573497** combines military-grade durability with optical excellence, delivering a dependable tool for professionals who demand precision and reliability in demanding environments.

The **NV&A 7x40 573497 Military Binoculars** (Porro Prism Field Glasses with Strap) are a popular choice among outdoor enthusiasts, hunters, and military/civilian observers due to their rugged design and optical performance. Below is a detailed breakdown of their pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Military-Grade Durability**

The binoculars are built to withstand harsh conditions, featuring a robust metal body (likely aluminum or steel) that resists shocks, impacts, and extreme temperatures. This makes them ideal for field use, hunting, or tactical applications where reliability is critical.

2. **Porro Prism Optics**

Porro prism binoculars offer superior image clarity and depth compared to roof prism models, particularly in low-light conditions. The wider eye relief and larger exit pupil (40mm objective lens) enhance brightness and reduce eye strain during prolonged use.

3. **High Magnification (7x)**

The 7x magnification provides a good balance between detail and field of view, making them suitable for observing distant objects (e.g., wildlife, terrain, or targets) without excessive hand shake. This magnification is also practical for hunting and surveillance.

4. **Wide Field of View (FOV)**

With a 310-foot FOV at 1,000 yards, these binoculars offer a broad viewing area, which is advantageous for scanning large areas quickly. This is particularly useful in outdoor settings where you need to cover expansive landscapes.

5. **Waterproof and Fog-Proof Design**

The binoculars are likely sealed against dust and water (IPX7 or similar rating), and the nitrogen-purged design prevents internal fogging. This ensures consistent performance in rainy or humid conditions, which is essential for military or outdoor use.

6. **Ergonomic and Comfortable Strap**

The included strap (likely adjustable and padded) allows for hands-free use, reducing fatigue during extended observation periods. This is a practical feature for field use, hiking, or surveillance missions.

7. **Good Low-Light Performance**

The 40mm objective lenses gather ample light, making these binoculars effective in dim or twilight conditions. This is beneficial for early morning or late evening activities.

8. **Durable Coatings**

The optical lenses are likely coated with multi-layer anti-reflective coatings, which enhance contrast, reduce glare, and improve overall image quality.

9. **Versatile Applications**

Beyond military use, these binoculars are well-suited for hunting, birdwatching, stargazing, and general outdoor observation. Their ruggedness and optical performance make them a versatile tool.

10. **Affordable for Military-Grade Specs**

Compared to high-end military or professional binoculars (e.g., Zeiss, Swarovski, or Leupold), these offer a cost-effective alternative with similar durability and optical performance.

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### **Cons**

1. **Bulky and Heavy**

Porro prism binoculars are inherently larger and heavier than roof prism models. The NV&A 7x40 model, with its metal body and 40mm objectives, will weigh around **1.5 2.0 lbs (680 900g)**, which may cause fatigue during extended use or when carried in a backpack. This can be less comfortable for activities requiring prolonged wear, such as hiking or surveillance.

2. **Limited Low-Light Performance Compared to High-End Models**

While the 40mm objectives improve low-light performance, they may not match the performance of larger-aperture binoculars (e.g., 50mm or 60mm) or those with advanced coatings (e.g., ED glass). For serious night vision tasks, additional equipment (e.g., night vision goggles) may still be required.

3. **Potential for Lens Flare**

The larger objective lenses can be more susceptible to lens flare in bright sunlight or when observing bright light sources (e.g., the sun, headlights). While coatings help mitigate this, it can still be an issue in certain conditions.

4. **Limited Close-Focus Distance**

The close-focus distance is likely around **15 20 feet**, which may not be ideal for close-up tasks (e.g., inspecting small details or observing insects). For macro observation, a different pair of binoculars would be more appropriate.

5. **Brand Reputation and Warranty**

NV&A is a well-known brand in the military and tactical optics market, but it is not as prestigious as brands like Zeiss or Swarovski. While the quality is generally reliable, the warranty and customer support may not be as robust as those of high-end manufacturers. Some users have reported mixed experiences with after-sales service.

6. **Strap Quality Varies**

While the included strap is functional, its durability may not match the binoculars themselves. Over time, the strap could wear out or become uncomfortable, requiring replacement.

7. **No Built-In Diopter Adjustment**

Some high-end binoculars include a diopter adjustment for individual eye correction. The NV&A 7x40 may not have this feature, which could be a drawback for users with significant vision differences between their eyes.

8. **Potential for Hand Shake at High Magnification**

At 7x magnification, even slight hand movements can cause noticeable image blur. While this is common with high-magnification binoculars, it may require the use of a tripod or monopod for stable viewing in some situations.

9. **Limited Color Options**

Military-grade binoculars often come in standard colors like tan, black, or green. If you prefer a specific color for aesthetic or camouflage reasons, your options may be limited.

10. **Not Ideal for Astrophotography**

While the 7x magnification is useful for stargazing, the binoculars are not optimized for deep-sky observation or astrophotography. For serious astronomy, dedicated astronomical binoculars or telescopes would be more suitable.

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### **Conclusion**

The **NV&A 7x40 573497 Military Binoculars** are a well-rounded, durable, and optically capable pair of field glasses that excel in rugged, outdoor, and tactical applications. Their Porro prism design, high magnification, and military-grade construction make them a strong choice for hunters, outdoor enthusiasts, and observers who prioritize durability and image quality over portability. The binoculars are particularly well-suited for tasks requiring wide-field observation, low-light performance, and resistance to harsh conditions.

However, their bulkiness, weight, and potential limitations in low-light or close-focus scenarios may make them less ideal for activities requiring prolonged wear or fine detail observation. Additionally, while they offer excellent value for their price point, they may not match the precision or warranty support of premium brands.

For most users seeking a reliable, high-performance pair of binoculars for field use, these are an excellent investment. Those who prioritize portability, ultra-low-light performance, or fine detail observation may prefer alternatives like roof prism binoculars or specialized models.

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### **Recommendation**

- You need a rugged, durable pair of binoculars for military, hunting, or outdoor use.

- You prioritize image clarity, low-light performance, and a wide field of view.

- You are willing to tolerate the added weight for the enhanced optical performance.

- You require waterproof and fog-proof binoculars for harsh conditions.

- You are looking for a cost-effective alternative to high-end brands.

- You need lighter or more portable binoculars (e.g., roof prism models like the **Vortex Viper HD** or **Leupold BX-5R**).

- You require higher magnification (e.g., 8x or 10x) for fine detail observation.

- You prioritize astrophotography or close-focus capabilities (e.g., **Celestron Nature DX** or **Vortex Diamondback**).

- You want a brand with a stronger warranty or customer support (e.g., **Zeiss Conquest**, **Swarovski EL**, or **Leupold**).

For most practical field applications, the NV&A 7x40 binoculars are a **highly recommended purchase** due to their balance of performance, durability, and affordability. Pair them with a sturdy tripod or monopod if you plan to use them for extended periods or at high magnification.

Details:

Please review all photos carefully. Sold as used vintage surplus binoculars. Vintage NVA 7x40 military binoculars with original-style green body and neck strap. There may be dust, haze, or age-related marks inside the optics.

Optics: The binoculars produce an image when looking through them. Condition: Used vintage condition with visible wear, scratches, scuffs, paint loss, and age-related marks throughout. Included: Binoculars only, with attached strap as shown. I am not an optical expert, so have fully tested collation, internal haze, fungus, or exact alignment.

part #: 573497 price

• $229.00

specifications binoculamonocul:

• brand: Nva 7x40
• mpn: 573497
• type: Binoculars
• lens coating: Coated
• size: Full-size
• color: Green
• objective lens diameter: 40 Mm
• features: Strap Included
• optical design: Porro Prism
• application: Military

payments binoculamonocul:

• other
• wallet: Google-pay
• credit card: Mastercard

returns binoculamonocul:

• policy: No Returns

general binoculamonocul:

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

shipping binoculamonocul:

• service: USPS Ground Advantage
• carrier: USPS
• type: Calculated
• class: Standard
• transit: 5-10 Days
• cost: $11.16

offer binoculamonocul:

• options: Ship-to-home
• started: April 29, 2026
• availability: In Stock
• best offers: True
• quantity: 1
• sold: 0

seller binoculamonocul:

• city: Flushing, New York
• # reviews: 7
• rating: 100.0%

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