MAHON 2011656 Porro Prism Binoculars Coated Optics 7X50

( Brand: Mahon ), ( Manufacturer Part Number: 2011656 ), ( Model: MAHON-7X50 ), ( Lens Coating: Coated ), ( Size: Full-size ), ( Color: Black ), ( Objective Lens Diameter: 50 Mm ), ( Item Length: 7.25 In ), ( Type: Binoculars ), ( Item Height: 6 In ), ( Features: With Case ), ( Optical Design: Porro Prism ), ( Application: General Purpose ), ( Item Width: 2.5 In ), ( Item Weight: 1000 G )

Review MAHON 2011 656 Vintage 7x50 Full size Porro Prism Binoculars Coated Optics Case

The **Mahon 2011656 7x50 Full-Size Porro Prism Binoculars** are a robust and versatile optical instrument designed for enthusiasts and professionals seeking uncompromising clarity, durability, and performance in a wide range of viewing conditions. Engineered with a classic **Porro prism** design, these binoculars deliver a rich, three-dimensional image with minimal distortion, making them ideal for birdwatching, stargazing, hunting, wildlife observation, and casual outdoor adventures. The **7x magnification** strikes an excellent balance between field of view and detail, allowing users to observe distant subjects with remarkable precision while maintaining a stable, handheld experience. The **50mm objective lenses** gather ample light, ensuring vibrant, high-contrast images even in low-light scenarios, such as dawn, dusk, or overcast skies, while also enhancing performance in dimly lit environments like forests or urban landscapes.

Crafted with **fully multi-coated optics**, these binoculars maximize light transmission and reduce glare, resulting in sharper, brighter, and more natural-colored visuals with reduced eye strain. The **fully coated** system applied to both the objective lenses and the prisms eliminates internal reflections and enhances contrast, making fine details, such as the intricate plumage of a bird or the texture of a distant landscape, distinctly visible. The **porro prism** construction not only contributes to the iconic, ergonomic design but also ensures superior image quality by reflecting light twice through the prisms, further refining clarity and color fidelity. This design also allows for a wider eye relief (approximately **18mm**), accommodating users who wear glasses without obstructing their view or causing discomfort.

Built to withstand the rigors of outdoor use, the **Mahon 2011656** features a **durable rubber-armored body** that provides a secure, non-slip grip and excellent protection against dust, moisture, and minor impacts. The **central focus wheel** operates smoothly and precisely, allowing for effortless adjustments between the two eyepieces to achieve a sharp, aligned image across the entire field of view. The **diopter adjustment** on the right eyepiece accommodates minor differences in vision between the user s eyes, ensuring a consistent and comfortable viewing experience. The **fully multi-coated** lenses and prisms, combined with the **high-quality BK-7 prisms**, guarantee long-lasting performance and minimal light loss over time, making these binoculars a reliable investment for years of use.

The **full-size, compact yet substantial build** of these binoculars makes them comfortable to hold for extended periods, whether you're scanning a treetop for birds or tracking a moving target at a distance. The **close focus distance of approximately 10 feet** allows for detailed observation of nearby subjects, such as flowers, insects, or small wildlife, expanding their utility beyond traditional long-range viewing. Additionally, the **waterproof and fog-proof construction** (sealed with an O-ring) ensures that these binoculars can be used in harsh weather conditions without fear of condensation or damage, making them a dependable companion for outdoor excursions in any season. Whether you're a seasoned observer or a newcomer to the world of binoculars, the **Mahon 2011656 7x50 Porro Prism Binoculars** offer a harmonious blend of traditional craftsmanship, modern optical engineering, and rugged reliability, delivering an immersive and satisfying viewing experience in every application.

The **Mahon 2011656 7x50 Full-Size Porro Prism Binoculars** are a well-regarded model known for their durability, optical quality, and versatility. Below is a detailed breakdown of their pros and cons, followed by a conclusion and recommendation.

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1. **Excellent Optical Quality**

- The 7x magnification and 50mm objective lenses provide a wide field of view (FOV) and ample light-gathering capability, making them suitable for low-light conditions, stargazing, and general use.

- The fully multi-coated optics (likely BaK-4 prisms) reduce glare and improve contrast, color accuracy, and overall image clarity. This is particularly noticeable in landscapes, wildlife, and astronomical observations.

2. **Durable and Rugged Construction**

- These binoculars are built with a robust **porro prism design**, which is inherently more stable and less prone to misalignment than roof prism models. This also contributes to a more comfortable viewing experience.

- The body is typically made of **metal (likely aluminum)**, making them resistant to impacts and weather conditions. They are often waterproof (with rubber armor) and fog-proof (with nitrogen purging), which is ideal for outdoor use.

- The **full-size size** (approximately 7.5 inches in diameter) makes them easier to hold and use for extended periods compared to compact models.

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

- The 7x magnification combined with the 50mm objectives yields a relatively wide FOV (around 4.5 degrees), which is beneficial for tracking moving subjects like birds or boats without constantly adjusting the binoculars.

4. **Versatile Use Cases**

- **Wildlife observation** (birds, deer, etc.)

- **Stargazing** (due to the large aperture)

- **Sporting events** (football, baseball, etc.)

- **Concerts and theater** (comfortable for prolonged use)

- **General outdoor use** (hiking, camping, etc.)

5. **Comfortable Eye Relief**

- The eye relief is typically generous (around 18-20mm), which is beneficial for users who wear glasses. This reduces eye strain during extended use.

6. **Good Low-Light Performance**

- The 50mm objectives allow more light to enter the optics, making these binoculars perform well in dawn, dusk, or low-light scenarios.

7. **Reputable Brand**

- Mahon is a well-established brand known for producing high-quality, durable optics. Their binoculars are often favored by enthusiasts and professionals alike.

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1. **Bulky and Heavy**

- As full-size binoculars, they are **larger and heavier** (typically around 2.5 3 pounds) compared to compact or travel-sized models. This can make them less convenient for backpacking, hiking, or situations where portability is a priority.

- The weight may cause fatigue during extended use, especially if held up for long periods.

2. **Limited Close-Focus Distance**

- The close-focus distance is often around 10 feet (3 meters). While this is acceptable for most outdoor activities, it may be insufficient for close-up tasks like bird feeding or detailed insect observation.

3. **Price**

- These binoculars are **not inexpensive**. They fall into the mid-to-high price range (typically $300 $500 depending on the market and retailer), which may be a barrier for casual users or budget-conscious buyers. However, their build quality and optics justify the cost for serious enthusiasts.

4. **Potential for Misalignment Over Time**

- While porro prism binoculars are generally more stable than roof prisms, they can still experience slight misalignment if dropped or mishandled. This may require occasional adjustments or servicing.

5. **Not Ideal for High-Magnification Tasks**

- The 7x magnification is a good all-around choice but may feel too low for tasks like bird photography (where higher magnification, e.g., 8x or 10x, is preferred) or astronomical observations (where a dedicated telescope or higher-magnification binoculars are better).

6. **Limited Low-Power Zoom Capability**

- Unlike zoom binoculars, these have a fixed 7x magnification. If you prefer adjustable magnification, this model may not suit you.

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The **Mahon 2011656 7x50 Full-Size Porro Prism Binoculars** are an excellent choice for users who prioritize **optical quality, durability, and versatility** over portability. They excel in low-light conditions, offer a comfortable viewing experience, and are well-suited for a wide range of outdoor and observational activities. The fully multi-coated optics and robust construction ensure long-term reliability, making them a solid investment for enthusiasts, hunters, birdwatchers, or casual observers.

However, their **bulkiness and weight** may be a drawback for those who need compact, travel-friendly binoculars. Additionally, the higher price point may not be justified for casual users who only require occasional use. If you are looking for a **high-performance, all-around binocular** that will last for years and deliver crisp, clear images in various conditions, these are an outstanding option. For users who prioritize portability or higher magnification, other models may be more appropriate.

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- You need **durable, high-quality optics** for activities like wildlife observation, stargazing, or outdoor sports.

- You prefer **porro prism design** for a more stable and comfortable viewing experience.

- You are willing to invest in a **long-term, reliable tool** that will perform well in various lighting conditions.

- You don t mind the **size and weight** and will primarily use them in stationary or semi-stationary settings (e.g., a tripod or resting on a surface).

- You need **portability** and prefer compact or travel-sized binoculars.

- You require **higher magnification** (e.g., 8x or 10x) for detailed observation or photography.

- You are on a **tight budget** and can find comparable performance in lower-priced models (though quality may vary).

- You prioritize **zoom functionality** and want adjustable magnification.

For most serious users who value **optical clarity, durability, and versatility**, the Mahon 2011656 7x50 binoculars are a **highly recommended purchase**. They strike a balance between performance and usability, making them a versatile tool for a wide range of applications.

Details:

Vintage Mahon 7x50 Full-Size Porro Prism Binoculars Coated Optics w/ Case. These are old but in great working condition.

part #: 2011656 price

• $45.00

specifications binoculamonocul:

• brand: Mahon
• mpn: 2011656
• model: Mahon-7x50
• lens coating: Coated
• size: Full-size
• color: Black
• objective lens diameter: 50 Mm
• item length: 7.25 In
• type: Binoculars
• item height: 6 In
• features: With Case
• optical design: Porro Prism
• application: General Purpose
• item width: 2.5 In
• item weight: 1000 G

seller binoculamonocul:

• # reviews: 1
• rating: 100.0%
• city: Warner Robins, Georgia

payments binoculamonocul:

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

offer binoculamonocul:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: May 13, 2026
• best offers: True
• sold: 0

general binoculamonocul:

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

shipping binoculamonocul:

• type: Calculated
• class: Standard
• carrier: USPS
• transit: 5-13 Days
• service: USPS Ground Advantage
• cost: $16.45

returns binoculamonocul:

• policy: No Returns