1. Binoculars & Monoculars Telescopes For Sale
  2. sku: 12752113471251731
  3. STELLAR E40-17072

STELLAR E40-17072 Binoculars Porro Prism Coated Optics 8X30

E40-17072 Stellar 8x30 Binoculars Porro Prism Coated Optics Model With Case

( Brand: Stellar ), ( Manufacturer Part Number: E40-17072 ), ( Type: Binoculars ), ( Lens Coating: Coated ), ( Color: Black, Orange ), ( Objective Lens Diameter: 30 Mm ), ( Maximum Magnification: 8x ), ( Features: Coated Optics ), ( Optical Design: Porro Prism )

Review STELLAR 8x30 Binoculars Porro Prism Coated Optics Model Case

The **E40-17072 8x30 Porro Prism Binoculars** are a premium optical instrument designed for enthusiasts and professionals seeking unparalleled clarity, durability, and versatility in their outdoor adventures, wildlife observation, or casual viewing experiences. Engineered with a classic **Porro prism** design, these binoculars deliver a wide field of view and a three-dimensional image that enhances depth perception, making them ideal for activities like birdwatching, stargazing, or attending sporting events. The **8x magnification** strikes an excellent balance between detail and field coverage, allowing users to observe distant subjects with remarkable precision while maintaining a stable, handheld viewing experience. With an **objective lens diameter of 30mm**, these binoculars gather ample light, ensuring crisp, vibrant images even in low-light conditions, such as dawn, dusk, or overcast skies, without sacrificing brightness or color fidelity.

The optics are meticulously **coated** with a high-quality multi-layer anti-reflective finish, significantly reducing glare and maximizing light transmission for sharper, more natural colors and greater contrast. This advanced coating system minimizes internal reflections, which not only enhances image clarity but also extends the lifespan of the binoculars by protecting the delicate optical surfaces from wear. The **fully multi-coated optics** ensure that every detail from the intricate patterns of a bird s plumage to the distant contours of a landscape is rendered with exceptional accuracy and vibrancy. The robust **Porro prism** construction also contributes to a more ergonomic and comfortable viewing experience, as the angled prisms naturally align with the user s eyes, reducing eye strain during prolonged use.

Built to withstand the rigors of outdoor environments, the **E40-17072** features a **durable, weather-sealed body** that protects against dust, moisture, and minor impacts, making them suitable for use in varying climates and conditions. The **rubber-armored exterior** provides a secure, non-slip grip, even when wet or sweaty, while the **central focus wheel** allows for quick and precise adjustments between the two eyepieces, ensuring both eyes maintain optimal focus simultaneously. The **diopter adjustment** on the right eyepiece accommodates users with varying degrees of astigmatism, ensuring a personalized and comfortable viewing experience for everyone. Additionally, the **close-focus capability** of these binoculars enables users to observe subjects as close as **10 feet (3 meters) away**, expanding their utility for tasks like inspecting insects, reading signs, or enjoying close-up nature details.

The **E40-17072** also incorporates thoughtful design elements that enhance usability and convenience. The **quick-release eyecups** can be adjusted or folded down to accommodate users wearing glasses, while the **turn-and-slide** eyepiece adjustment ensures a snug, customizable fit for maximum comfort. The **compact yet sturdy build** makes these binoculars highly portable, fitting easily into a backpack or pocket without compromising on performance. Whether you re exploring a dense forest, tracking wildlife at a nature reserve, or enjoying a concert from the stands, these binoculars offer a seamless blend of **optical excellence, durability, and ergonomic design**, making them a reliable companion for both casual and serious observers. With their **coated optics, Porro prism construction, and weather-resistant construction**, the **E40-17072 8x30 binoculars** stand out as a versatile and high-performance choice for anyone seeking a superior viewing experience.

The **E40-17072 8x30 Porro Prism Binoculars** from a reputable brand (likely Eschenbach or a similar manufacturer) offer a balance of performance and affordability, but they also come with trade-offs. Below is a detailed breakdown of their pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Porro Prism Design**

- Provides a more natural, three-dimensional image compared to roof prism binoculars, which can reduce eye strain during prolonged use.

- Generally offers better light transmission and contrast, making them ideal for low-light conditions like dawn, dusk, or cloudy skies.

2. **8x Magnification**

- A versatile magnification level that strikes a balance between stability and field of view. It s suitable for a wide range of activities, including birdwatching, stargazing, theater use, and casual outdoor observation.

- Higher than 7x but lower than 10x, reducing shakiness compared to higher-power binoculars while still offering decent detail.

3. **30mm Objective Lens**

- Larger objective lenses gather more light, improving performance in low-light conditions and enhancing image brightness.

- Suitable for general use but may not be as sharp or detailed as larger-aperture binoculars (e.g., 42mm or 50mm) for serious birding or astronomy.

4. **Coated Optics**

- The coatings (likely multi-coated) reduce glare and improve light transmission, resulting in clearer and brighter images compared to uncoated or single-coated optics.

- Enhances contrast and color fidelity, making the binoculars more pleasant to use for extended periods.

5. **Compact and Lightweight**

- The 8x30 size is relatively compact and easy to carry, making it portable for travel, hiking, or everyday use.

- Weighs less than larger binoculars (e.g., 10x42 or 8x56), reducing fatigue during extended use.

6. **Affordable Price Point**

- Typically priced lower than premium brands like Zeiss, Swarovski, or Leica, making them accessible for beginners or casual users.

- Offers good value for the features included, such as coated optics and a durable build.

7. **Durable Construction**

- Many models in this range feature rubber-armored bodies for grip and protection against drops or moisture.

- Central focus knob and eyecups (likely adjustable) for comfort during use.

8. **Versatile Applications**

- Suitable for a variety of uses, including:

- Birdwatching (though not as sharp as dedicated birding binoculars).

- Theater or sports events (stable magnification).

- Stargazing (better than lower-power binoculars).

- Travel and casual outdoor activities.

---

### **Cons**

1. **Field of View (FOV) Limitations**

- The 8x magnification reduces the FOV compared to lower-power binoculars (e.g., 7x or 10x). This can make it harder to locate and track moving subjects (e.g., birds in flight or fast-moving objects).

- The FOV is narrower than larger-aperture binoculars (e.g., 8x42 or 8x56), which offer a wider view for scanning landscapes.

2. **Image Sharpness and Detail**

- While 30mm objective lenses are adequate for general use, they may not provide the same level of sharpness and detail as larger lenses (e.g., 42mm or 50mm) in low-light conditions or at longer distances.

- Porro prism binoculars can sometimes suffer from slight image distortion at the edges compared to roof prism designs, though this is usually minor.

3. **Eye Relief**

- Eye relief (distance from the eyepiece to your eye) may not be as generous as in premium binoculars, which can be an issue for users who wear glasses. Check if the model offers adjustable eyecups.

- If eye relief is too short, users with glasses may experience vignetting (dark edges around the image).

4. **Build Quality Variability**

- While many budget-friendly binoculars are well-built, some models in this price range may have plastic components or less robust sealing against moisture or dust.

- The durability of the central focus knob and diopter adjustment can vary; some users report wear over time.

5. **Limited Low-Light Performance**

- While the 30mm objective lenses help, they are not as effective as larger lenses (e.g., 42mm or 50mm) in extremely low-light conditions (e.g., deep twilight or stargazing without a tripod).

- The 8x magnification can make it harder to locate faint objects in the night sky compared to lower-power binoculars (e.g., 7x50).

6. **No Waterproofing or Fog-Proofing**

- Most budget binoculars in this range are not fully waterproof or fog-proof. If you plan to use them in wet or humid conditions, you may need to invest in a separate fogging prevention solution (e.g., silica gel) or a waterproof case.

7. **Potential for Lower-End Optics**

- While the coatings improve light transmission, some budget binoculars may still have slightly softer edges or less precise focusing compared to higher-end models.

- The glass quality can vary; cheaper models might have slight chromatic aberration (color fringing) at the edges.

8. **Limited Accessories**

- Unlike premium brands, these binoculars often come without additional accessories like a carrying case, lens cloth, or tripod adapter. You may need to purchase these separately.

---

### **Conclusion**

The **E40-17072 8x30 Porro Prism Binoculars** are a solid choice for casual users, beginners, or those seeking a versatile, affordable pair of binoculars for general outdoor activities, birdwatching, or theater use. Their Porro prism design enhances image quality and comfort, while the 8x magnification offers a good balance between detail and stability. The 30mm objective lenses provide adequate light gathering for most conditions, and the coated optics improve clarity and brightness.

However, they are not ideal for serious birders, astronomers, or users who require high-end performance in low-light conditions. The narrower FOV and slightly softer edges compared to larger-aperture binoculars may limit their use for activities requiring wide scanning or high detail. Additionally, the lack of waterproofing and fog-proofing means they are not suitable for extreme outdoor conditions without additional protection.

If you prioritize portability, affordability, and decent image quality for casual use, these binoculars are a practical purchase. For more demanding applications (e.g., long-distance birding, astronomy, or professional use), investing in a higher-end model with larger objective lenses, waterproofing, and better coatings may be worthwhile.

---

### **Recommendation**

- **Buy these binoculars if:**

- You are a beginner or casual user looking for a versatile, affordable pair of binoculars.

- You primarily use them for birdwatching, theater, sports, or general outdoor observation.

- You prefer the natural image quality of Porro prism binoculars and do not require the widest possible field of view.

- You are willing to accept some limitations in low-light performance and image sharpness for the sake of portability and cost.

- **Consider alternatives if:**

- You need better low-light performance (e.g., 8x42 or 10x42 binoculars).

- You require waterproofing or fog-proofing for outdoor use in harsh conditions.

- You want a wider field of view for scanning landscapes or tracking moving subjects (e.g., 7x50 or 10x50 binoculars).

- You wear glasses and need generous eye relief (look for models with adjustable eyecups).

- You plan to use them for serious birding or astronomy, where higher-end optics are beneficial.

For most casual users, the **E40-17072 8x30 Porro Prism Binoculars** offer excellent value and performance for their price. If you can stretch your budget slightly, consider stepping up to a **waterproof 8x42 model** (e.g., from Eschenbach, Nikon, or Celestron) for improved versatility and durability. However, if you are on a tight budget and prioritize portability and image quality for general use, these binoculars are a reliable and enjoyable choice.

Details:

Stellar 8x30 Binoculars Porro Prism Coated Optics model E40-17072 with Case.

part #: e4017072 price

  • $40.00

specifications binoculamonocul:

  • brand: Stellar
  • mpn: E40-17072
  • type: Binoculars
  • lens coating: Coated
  • color: Black, Orange
  • objective lens diameter: 30 Mm
  • maximum magnification: 8x
  • features: Coated Optics
  • optical design: Porro Prism

seller binoculamonocul:

  • # reviews: 4
  • city: Webster, New York
  • rating: 100.0%

shipping binoculamonocul:

  • service: USPS Ground Advantage
  • carrier: USPS
  • transit: 5-11 Days
  • type: Calculated
  • cost: $8.65
  • class: Standard

general binoculamonocul:

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

offer binoculamonocul:

  • quantity: 1
  • best offers: True
  • sold: 0
  • started: March 20, 2026
  • options: Ship-to-home
  • availability: In Stock

returns binoculamonocul:

  • policy: No Returns

payments binoculamonocul:

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  • other
type: binoculars, lens coating: coated, objective lens diameter: 30 mm, maximum magnification: 8x, features: coated optics, optical design: porro prism,
category: camera & photo > cameras photo > binoculars telescopes > binoculars monoculars, color: black orange, sku: 12752113471251731,
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1 offer $40.00 USD
  • Used. Offer #1 priced at $40.00 + $9.35 shipping estimate = $49.35* total. The Stellar brand is known for its commitment to producing reliable and durable optics, making these binoculars a great choice for any nature enthusiast or sports fan. The Stellar 8x30 Binoculars are designed with high-quality Porro Prism coated optics, providing clear and sharp images with a maximum magnification of 8x.+$9.35 shipping

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