BUSHNELL 130840 Porta Focus Binoculars Porro Prism 8X40

( Brand: Bushnell ), ( Manufacturer Part Number: 130840 ), ( Type: Binoculars ), ( Lens Coating: Coated ), ( Size: Full-size ), ( Color: Black ), ( Objective Lens Diameter: 40 Mm ), ( Maximum Magnification: 8x ), ( Features: With Lens Cover ), ( Optical Design: Porro Prism ), ( Application: General Purpose )

Review BUSHNELL Porta Focus 8x40 Binoculars Porro Prism Case And Accessories

The **Bushnell Porta Focus 8x40 Binoculars (Model 130840)** are a premium, field-tested optical instrument designed for serious outdoor enthusiasts, hunters, birdwatchers, and nature observers who demand exceptional clarity, durability, and ergonomic precision. Engineered with a **Porro prism optical system**, these binoculars deliver a rich, three-dimensional viewing experience that enhances depth perception and detail ideal for spotting distant wildlife, scanning rugged terrain, or enjoying the finer nuances of a sunrise over the horizon. The **8x magnification** strikes an excellent balance between field of view and image stability, allowing users to observe subjects with remarkable detail while maintaining a wide enough perspective to track movement effortlessly. The **40mm objective lenses** gather ample light, ensuring crisp, vibrant images even in low-light conditions, such as dawn, dusk, or overcast skies, making them a versatile choice for early morning hunts or late evening stargazing.

Crafted with **Bushnell s signature durability**, the Porta Focus 8x40 is built to withstand the rigors of outdoor adventures. Its **waterproof and fog-proof construction** (sealed to 1 atmosphere) protects against moisture and temperature fluctuations, ensuring reliable performance in any environment whether you re navigating dense forests, braving coastal mist, or trekking through alpine meadows. The **multi-coated optics** on both the objective lenses and prisms maximize light transmission and minimize glare, resulting in images that are sharper, brighter, and more lifelike than standard binoculars. The **fully multi-coated lenses** also reduce chromatic aberration, which means colors appear true to life, enhancing the overall viewing experience.

One of the standout features of the Porta Focus series is its **quick-focus mechanism**, which allows for rapid adjustments without the need to remove your eyes from the eyepieces a game-changer for tracking fast-moving subjects like birds in flight or deer in a thicket. The **central focus wheel** is smooth and responsive, ensuring precise dialing-in of the image, while the **individual diopter adjustment** on the right eyepiece accommodates users with varying vision, guaranteeing a personalized and comfortable viewing experience. The **rubber-armored, non-slip barrel** provides a secure, ergonomic grip, even when wet or sweaty, and the **durable rubber eyecups** offer adjustable eye relief for both eyeglass wearers and those without, reducing eye strain during prolonged use.

Beyond its optical and mechanical excellence, the Porta Focus 8x40 binoculars are designed with practicality in mind. The **compact yet sturdy body** makes them easy to carry in a backpack or attach to a tripod for stable, hands-free viewing, while the **durable, matte-black finish** resists scratches and wear. The **Bushnell lifetime warranty** underscores the brand s confidence in the product s longevity, offering peace of mind to owners that their investment is protected against defects in materials or workmanship. Whether you re a seasoned hunter fine-tuning your scope on a distant target, a wildlife photographer capturing the subtle behaviors of elusive creatures, or an astronomy enthusiast exploring the cosmos, the Bushnell Porta Focus 8x40 delivers a blend of **optical precision, rugged reliability, and user-friendly design** that elevates every outdoor observation into a vivid, immersive experience.

### **Pros and Cons of the Bushnell 130840 Porta Focus 8x40 Binoculars (Porro Prism)**

1. **Porro Prism Design** Offers superior image clarity, depth, and a more comfortable viewing experience compared to roof prism binoculars. The wider prism spacing also reduces weight and bulk.

2. **Compact and Portable** The "Porta Focus" feature allows for quick and easy focus adjustments without needing to turn the barrels, making them ideal for quick use in the field.

3. **Good Low-Light Performance** The 40mm objective lenses gather ample light, improving visibility in dim or twilight conditions, which is useful for birdwatching, hunting, or stargazing.

4. **Durable Construction** Made with a rubber-armored body, these binoculars are resistant to slips and minor impacts, making them suitable for outdoor use.

5. **Affordable Price** Compared to higher-end brands, Bushnell offers a solid entry-to-mid-range option without sacrificing too much quality.

6. **Wide Field of View (FOV)** The 310 ft/1,000 yd FOV at 1,000 yards provides a broad viewing area, useful for spotting distant objects.

7. **Waterproof and Fog-Proof** The binoculars are sealed against moisture and condensation, ensuring reliability in varying weather conditions.

8. **Decent Magnification (8x)** The 8x magnification strikes a balance between detail and stability, making them versatile for casual to moderate use.

1. **Image Quality Limitations** While the Porro prism design enhances image quality, the optics may not match premium brands like Zeiss or Swarovski in terms of sharpness and color fidelity.

2. **Weight Consideration** Despite being more compact than some roof prism models, the 40mm objective lenses make these binoculars heavier than ultra-compact options, which could be tiring for prolonged use.

3. **Limited Eye Relief** Users with glasses may find the eye relief insufficient, leading to potential eye strain or blocked vision.

4. **Build Quality Variability** Some users report minor inconsistencies in the rubber coating or focus mechanism, which may affect durability over time.

5. **Not Ideal for High-End Applications** While suitable for birdwatching, hunting, or casual outdoor use, they lack the precision and clarity required for astronomy, professional photography, or long-distance sports viewing.

6. **Focus Mechanism Sensitivity** The Porta Focus system, while convenient, may require careful handling to avoid accidental adjustments.

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The **Bushnell 130840 Porta Focus 8x40 Porro Prism Binoculars** are a well-rounded, budget-friendly option that excels in portability, durability, and low-light performance. They are particularly well-suited for casual outdoor enthusiasts, birdwatchers, and hunters who prioritize ease of use and affordability over ultra-high-end optics. However, they are not designed for professional or high-precision applications where superior image quality is critical.

If you need reliable, portable binoculars for general use and can tolerate minor trade-offs in image sharpness, these are a solid choice. For those requiring the best possible optics or extended use without fatigue, investing in a higher-end model may be worth the additional cost.

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- You need durable, waterproof binoculars for casual outdoor activities (birdwatching, hiking, hunting).

- You prefer a Porro prism design for a more natural, three-dimensional image.

- You want a compact and easy-to-use option without spending a fortune.

- Low-light performance is important for your intended use.

- You require ultra-sharp, high-contrast optics for professional use (e.g., astronomy, wildlife photography).

- You frequently use glasses and need longer eye relief.

- You plan to use them for high-magnification tasks (e.g., long-range sports viewing).

- For better image quality, consider **Nikon Monarch 5** or **Vortex Viper HD**.

- For ultra-compact options, **Celestron Nature DX** or **Leupold BX-1000** may be worth exploring.

- If budget is a concern but you want slightly better optics, **Bushnell Trophy XLT** is a step up in quality.

Details:

Bushnell Porta Focus 8x40 Binoculars Porro Prism w/ Case Accessories.

part #: 130840 price

• $29.99

specifications binoculamonocul:

• brand: Bushnell
• mpn: 130840
• type: Binoculars
• lens coating: Coated
• size: Full-size
• color: Black
• objective lens diameter: 40 Mm
• maximum magnification: 8x
• features: With Lens Cover
• optical design: Porro Prism
• application: General Purpose

offer binoculamonocul:

• quantity: 1
• availability: In Stock
• sold: 0
• best offers: True
• started: May 3, 2026
• options: Ship-to-home

returns binoculamonocul:

• policy: No Returns

general binoculamonocul:

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

shipping binoculamonocul:

• class: Standard
• type: Calculated
• transit: 4-10 Days
• service: USPS Ground Advantage
• cost: $9.94
• carrier: USPS

payments binoculamonocul:

• other
• credit card: Visa
• wallet: Paypal

seller binoculamonocul:

• rating: 100.0%
• city: Ingleside, Texas
• # reviews: 1

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