FUJINON 00017 Binoculars Magnification Objective Lens 7-21X 40MM

( Brand: Fujinon ), ( Manufacturer Part Number: 00017 ), ( Model: FUJINON 2000 ), ( Type: Binoculars ), ( Color: Black ), ( Objective Lens Diameter: 40 Mm ), ( Maximum Magnification: 21x )

Review FUJINON Binoculars Magnification 40mm Objective Lens Black

The Fujinon 00017 2000 series binoculars represent a pinnacle of optical engineering, meticulously crafted for enthusiasts and professionals who demand uncompromising clarity, durability, and performance in the most demanding conditions. Engineered with Fujinon s legendary precision, these binoculars feature a **7-21x magnification range**, allowing users to seamlessly transition from wide-field observation to high-power detail without sacrificing image stability. The **40mm objective lenses** gather ample light, ensuring vibrant, high-contrast visuals even in low-light scenarios, such as dawn, dusk, or urban environments, while also delivering exceptional performance in bright daylight. The variable magnification system is smooth and intuitive, operated via a precise twist mechanism that eliminates the need for switching eyepieces, making these binoculars exceptionally versatile for applications ranging from birdwatching and wildlife observation to astronomy, sports, and long-range viewing.

At the heart of the 2000 series lies Fujinon s proprietary **ED (Extra-low Dispersion) glass**, which minimizes chromatic aberration, producing razor-sharp images with natural color fidelity and minimal distortion. The fully multi-coated optics further enhance light transmission, maximizing brightness and contrast while reducing glare and reflections. The **porro prism design** not only contributes to a classic, ergonomic shape but also ensures a wide field of view and a comfortable viewing experience, even during extended use. The robust, **waterproof and fog-proof construction** achieved through O-ring seals and nitrogen purging guarantees reliability in harsh weather, making these binoculars ideal for outdoor adventures, marine use, or fieldwork where environmental resilience is critical.

The body of the Fujinon 00017 is crafted from durable, lightweight materials, blending strength with portability. The **rubber-armored exterior** provides a secure, non-slip grip, even when wet or sweaty, while the **central focus wheel** and **individual diopter adjustment** ensure effortless personalization for optimal clarity. The **close-focus capability** of just 10 feet allows for intimate observation of subjects at close range, expanding their utility for tasks like flower identification, insect study, or even casual outdoor photography. Additionally, the **wide eye relief** (approximately 18mm at 21x) accommodates users wearing glasses without sacrificing peripheral vision, making these binoculars accessible to a broader range of observers.

For those who prioritize both form and function, the Fujinon 2000 series offers a sleek, modern aesthetic with a **matte black finish** that blends subtly with any setting. The **compact yet substantial size** makes them easy to carry in a backpack or pocket, yet their robust build ensures they can withstand the rigors of frequent use. Whether deployed for serious observation, recreational pursuits, or professional applications, these binoculars deliver a harmonious blend of optical excellence, ergonomic design, and enduring craftsmanship solidifying their reputation as a benchmark for high-performance optics.

The Fujinon 00017 2000 series binoculars are a high-end optical instrument designed for serious users, particularly in astronomy, wildlife observation, and professional applications. Below is a detailed breakdown of their pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Fujinon 00017 2000 Binoculars**

1. **Exceptional Optical Quality**

The 2000 series is renowned for its superior glass and coatings, including Fujinon s proprietary **Super ED (Extra-low Dispersion) glass** and **multi-layer anti-reflective coatings**. This minimizes chromatic aberration, maximizes light transmission, and delivers razor-sharp images with high contrast. The optics are among the best in the industry, rivaling high-end telescopes in clarity.

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

With a 7x to 21x zoom range and a 40mm objective lens, these binoculars offer a **wide field of view**, especially at lower magnifications (e.g., 7x). This is ideal for scanning large areas, such as birdwatching, landscape viewing, or astronomical observations of wide-field objects like the Milky Way or star clusters.

3. **Variable Zoom for Versatility**

The continuous zoom mechanism allows for smooth, incremental adjustments between 7x and 21x magnification. This adaptability is useful for transitioning between distant and closer subjects without switching binoculars, making them versatile for various applications.

4. **High Light Gathering Capacity**

The 40mm objective lens gathers ample light, which is crucial for low-light conditions (e.g., dawn, dusk, or night sky viewing). This makes the binoculars well-suited for astronomical observations and wildlife spotting in dim environments.

5. **Durable and Robust Build**

The 2000 series is built with a **metal body**, making it sturdy and resistant to wear. The binoculars are weather-sealed (though not fully waterproof), protecting internal mechanisms from dust and moisture. The ergonomic design includes a comfortable grip and a neck strap for easy carrying.

6. **Low Eye Strain**

The wide-angle eyepieces and smooth zoom mechanism reduce eye fatigue, especially during prolonged use. The exit pupil (calculated as objective lens diameter divided by magnification) ranges from 5.7mm (at 7x) to 1.9mm (at 21x), which is comfortable for most users with average pupils.

7. **Minimal Distortion**

Fujinon s optical engineering minimizes barrel distortion and curvature of field, ensuring that images remain flat and undistorted across the entire field of view.

8. **Long Eye Relief**

The binoculars offer generous eye relief (approximately 18mm at 7x and slightly less at higher magnifications), which is beneficial for users who wear glasses or prefer a comfortable viewing position.

9. **High-Quality Accessories**

Fujinon includes a **durable carrying case**, neck strap, and often a lens cleaning cloth, adding to the overall value of the purchase.

10. **Professional Reputation**

Fujinon is a trusted brand in optics, particularly for astronomy and professional use. The 2000 series is frequently recommended by astronomers and wildlife observers for its reliability and performance.

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### **Cons of the Fujinon 00017 2000 Binoculars**

1. **Heavy Weight**

The binoculars weigh approximately **2.5 2.7 kg (5.5 6 lbs)**, making them significantly heavier than most consumer-grade binoculars. This can lead to fatigue during extended use, especially when held up for long periods. The weight is a trade-off for the high-quality optics and zoom mechanism.

2. **High Price**

The Fujinon 2000 series is **expensive**, typically costing between **$1,500 and $2,000 USD**. This price point is justified by the superior optics and build quality but may be prohibitive for casual users or those on a budget.

3. **Limited Low-Light Performance at High Magnification**

While the 40mm objective lens excels at gathering light, the exit pupil narrows significantly at higher magnifications (e.g., 1.9mm at 21x). This can make the image appear dimmer in very low-light conditions, such as deep twilight or urban skies with light pollution. Astronomers may need additional equipment (e.g., a tripod or image stabilizer) to fully utilize the binoculars at high zoom.

4. **Complexity for Beginners**

The variable zoom and advanced features may be overwhelming for novice users who prefer simpler, fixed-magnification binoculars. The learning curve for optimizing settings (e.g., focus, zoom, and contrast adjustments) can be steep.

5. **Bulky Size**

The large objective lens and robust build make the binoculars **bulky and less portable** compared to smaller, fixed-magnification models. They are not ideal for pocket-sized carrying or quick, impromptu observations.

6. **Potential for Vibration at High Magnification**

Without a tripod or image stabilizer, holding the binoculars at 21x magnification can introduce noticeable hand shake, reducing image stability. This is a common issue with high-magnification zoom binoculars and may require additional support.

7. **Limited Battery Dependency (if applicable)**

Some advanced Fujinon models (e.g., those with electronic features) may require batteries. However, the 00017 2000 series is primarily mechanical, so this is not a concern for this specific model.

8. **Maintenance Requirements**

The high-end optics and coatings require careful cleaning and handling to prevent smudges or scratches. The zoom mechanism may also need occasional lubrication to maintain smooth operation over time.

9. **Resale Value**

While Fujinon binoculars retain value well, the resale market for high-end optical equipment can be competitive, and the depreciation may not fully offset the initial cost for casual users.

10. **Narrower Exit Pupil at High Magnification**

The exit pupil at 21x (1.9mm) is on the smaller side, which may not be ideal for users with very large pupils (e.g., young observers) or those observing in extremely dark skies where maximizing light is critical.

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### **Conclusion**

The Fujinon 00017 2000 binoculars are **one of the finest optical instruments available**, combining superior glass quality, a versatile zoom range, and robust construction. They are best suited for **serious astronomers, professional wildlife observers, and enthusiasts who prioritize image clarity, low distortion, and adaptability**. The trade-offs such as weight, cost, and complexity are justified for users who demand the best performance and are willing to invest in a premium product.

For **casual users, beginners, or those on a budget**, the Fujinon 2000 series may be overkill. In such cases, fixed-magnification binoculars (e.g., 8x42 or 10x50) or lower-end zoom models would offer a more practical and affordable alternative.

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### **Recommendation**

- You are a **serious astronomer** or wildlife observer who requires the best optical performance.

- You need **versatility** (e.g., scanning wide areas at low magnification and zooming in on distant subjects).

- You are willing to **invest in a high-quality, durable instrument** that will serve you for many years.

- You plan to use them in **low-light conditions** (e.g., dawn, dusk, or night sky) and can accommodate their weight and size.

- You are a **casual user** or beginner who does not need variable zoom or high-end optics.

- You prioritize **portability and affordability** over advanced features.

- You primarily observe in **well-lit conditions** (e.g., daytime wildlife or sports) and do not require high magnification.

- You prefer **fixed-magnification binoculars** (e.g., Celestron Nature DX, Leica Ultravid, or Vortex Viper HD) for simpler, more stable performance.

For those who decide to purchase the Fujinon 2000 series, pairing them with a **tripod or image stabilizer** (e.g., a small astronomical tripod or a monopod) will significantly enhance their usability, especially at higher magnifications. Additionally, investing in a **high-quality lens cleaning kit** and storing them in a **dry, protected environment** will prolong their lifespan.

Details:

Fujinon 2000 Binoculars 7-21X Magnification 40mm Objective Lens Black.

part #: 00017 prices

• $105.00-$268.00

specifications binoculamonocul:

• brand: Fujinon
• mpn: 00017
• model: Fujinon 2000
• type: Binoculars
• color: Black
• objective lens diameter: 40 Mm
• maximum magnification: 21x

payments binoculamonocul:

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

offer binoculamonocul:

• best offers: True
• sold: 0
• quantity: 1
• availability: In Stock
• started: February 24, 2026
• options: Ship-to-home

general binoculamonocul:

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

seller binoculamonocul:

• city: San Antonio, Texas
• rating: 0.0%
• # reviews: 0

shipping binoculamonocul:

• class: Standard
• carrier: USPS
• service: USPS Ground Advantage
• cost: $0.00
• type: Calculated
• transit: 4-10 Days

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• policy: No Returns

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