NISI N-674387 Solar Filter Pro Nano Uv Ir 6972949376185 Uv/ir 77MM 16.5-STOP

( Brand: Nisi ), ( Manufacturer Part Number: N-674387 ), ( Part Type: Filter ), ( Filter Shape: Circular ), ( Filter Effects: Nd ), ( To Fit: Camera ), ( Solar Filter: 77mm Solar Nd Filter ), ( Unit Type: Unit ), ( Manufacturer Warranty: 1 Year ), ( Filter Type: Solar Filter ), ( Mount Fitting: Threaded ), ( Filter Size: 77 Mm ), ( UPC: 972949376185 )

Review NISI Solar Filter Pro Nano Uv/ir Cut Nd 77mm New

The **Nisi N-674387 Solar Filter Pro Nano UV/IR ND 77mm (16.5-stop)** is a high-performance, precision-engineered solar filter designed for astrophotographers, solar observers, and advanced astronomers seeking uncompromising clarity and safety when imaging or viewing the Sun. Crafted with Nisi s signature attention to detail, this filter combines cutting-edge optical technology with robust durability to deliver exceptional contrast, minimal chromatic aberration, and near-perfect neutral density, making it ideal for capturing intricate solar phenomena such as prominences, filaments, and sunspot activity with professional-grade results. The **Nano UV/IR blocking coating** ensures that only the most relevant wavelengths of light primarily the hydrogen-alpha spectrum are transmitted, while effectively suppressing unwanted ultraviolet and infrared radiation that could otherwise degrade image quality or harm sensitive camera sensors. With an **optical density of 16.5 stops**, this filter provides the necessary attenuation to safely observe and photograph the Sun without overexposure, even when using high-resolution cameras or telescopes with large apertures. The **77mm diameter** makes it compatible with a wide range of refractors, apochromats, and Newtonian telescopes, while the **thin, lightweight design** minimizes vignetting and maintains a low profile for optimal optical performance. Engineered with **multi-layer anti-reflection coatings**, the filter minimizes internal reflections and ghosting, ensuring sharper, more detailed images with enhanced contrast and reduced flare. Whether used for high-resolution solar imaging, scientific observation, or artistic photography, the Nisi Solar Filter Pro Nano stands out for its **precision-machined cell**, which guarantees perfect centering and alignment, and its **durable, scratch-resistant coatings** that withstand prolonged outdoor use and harsh environmental conditions. Built to professional standards, this filter is not just a protective accessory but a critical component for achieving breathtaking, scientifically accurate solar imagery with unmatched fidelity and safety.

The **Nisi N-674387 Solar Filter Pro Nano UV/IR ND 7.7mm (16.5-stop)** is a high-end solar filter designed for astrophotography, particularly for imaging the Sun. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **Exceptional Optical Quality**

The filter is crafted with high-grade optical glass, minimizing chromatic aberration and ensuring sharp, distortion-free images of the Sun. This is critical for detailed solar photography, including sunspots, prominences, and solar flares.

2. **Ultra-High Neutral Density (ND 7.7mm, 16.5-stop)**

The filter blocks an enormous amount of light (99.99999999999999999999% of visible light), allowing for long-exposure imaging of the Sun without overexposure. This is ideal for capturing fine details in solar phenomena that would otherwise be washed out.

3. **UV/IR Blocking**

The filter removes ultraviolet and infrared light, which can distort colors and introduce noise in solar images. This ensures that the resulting photos are true to the Sun s visible spectrum, with accurate color representation.

4. **Nano Coating Technology**

Nisi s proprietary nano coating enhances light transmission while maintaining high contrast and sharpness. This coating also reduces reflections and ghosting, which can be problematic with cheaper filters.

5. **Durable and Weather-Sealed Construction**

The filter is built with a robust metal frame and is sealed against dust and moisture, making it suitable for outdoor use in varying weather conditions. This durability extends the lifespan of the filter.

6. **Compatibility with a Wide Range of Telescopes**

The 77mm size is versatile and fits many popular telescope models, including refractors, apochromats, and some Newtonians with appropriate adapters. The filter s design is also compatible with solar-specific accessories like white-light solar scopes.

7. **Minimal Light Loss**

Unlike some solar filters that significantly reduce contrast or introduce a color cast, the Nisi filter maintains high contrast and natural color balance, which is essential for scientific or artistic solar imaging.

8. **Back-Thinned Design**

The filter is back-thinned, reducing weight and bulk while maintaining structural integrity. This makes it easier to handle and attach to telescopes without adding unnecessary strain.

9. **High-End Brand Reputation**

Nisi is a well-regarded manufacturer in the astrophotography community, known for producing high-quality optical components. Their filters are often preferred by professionals and serious amateurs for demanding applications.

10. **Long-Term Reliability**

Given its premium construction, the filter is likely to remain effective for many years with proper care, avoiding the need for frequent replacements.

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### **Cons**

1. **High Cost**

The Nisi Solar Filter Pro Nano is one of the most expensive solar filters on the market. For hobbyists or those on a tight budget, the price may be prohibitive, especially when compared to more affordable alternatives (e.g., Baader Planetarium or Thousand Oaks filters).

2. **Limited Use Case**

While excellent for solar imaging, this filter is **not** suitable for general astrophotography (e.g., deep-sky objects, planets, or the Moon). It is a specialized tool designed exclusively for solar observations, which may limit its versatility for other types of photography.

3. **Requires Proper Mounting**

The filter must be securely attached to the telescope s front cell or a solar-specific adapter to avoid misalignment or damage. Improper mounting can lead to distorted images or even filter failure. This adds an extra layer of complexity for users unfamiliar with solar imaging setups.

4. **Not Ideal for Visual Observing**

While the filter works well for imaging, it may not be optimal for visual solar observing (e.g., viewing sunspots with the naked eye). For visual use, a dedicated white-light solar scope or a different type of filter (e.g., Herschel wedge) might be more appropriate.

5. **Potential for Overkill for Beginners**

If you are new to solar photography and only occasionally image the Sun, investing in this filter may feel excessive. Beginners might benefit from starting with a more affordable filter (e.g., a Baader AstroSolar film-based filter) to test their interest before committing to a high-end solution.

6. **Size and Weight Considerations**

While the back-thinned design reduces weight, the 77mm filter is still relatively large and heavy compared to smaller accessories. This could be cumbersome for portable setups or smaller telescopes, though the 77mm size is standard for many solar imaging applications.

7. **Maintenance Requirements**

Like any optical component, the filter requires careful handling to avoid scratches or dust accumulation. The nano coating, while durable, can be damaged by abrasive cleaning methods, so users must follow proper cleaning procedures to maintain performance.

8. **Limited Availability of Spare Parts**

If the filter or its mounting hardware were to fail, finding replacement parts or a full unit may be challenging due to its specialized nature and high-end positioning in the market.

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### **Conclusion**

The **Nisi N-674387 Solar Filter Pro Nano UV/IR ND 7.7mm (16.5-stop)** is a superior choice for serious solar imagers who demand the highest optical performance, contrast, and durability. Its ability to capture fine details of the Sun with minimal light loss and distortion makes it invaluable for both scientific and artistic solar photography. The filter s nano coating, UV/IR blocking, and weather-sealed construction ensure long-term reliability, while its compatibility with a wide range of telescopes adds to its appeal.

However, the filter s high cost and specialized nature mean it is not a practical or necessary investment for casual observers or those who only occasionally image the Sun. Beginners or hobbyists with limited budgets may find more affordable alternatives sufficient for their needs. Additionally, the filter s lack of versatility for non-solar imaging could be a drawback for users who also photograph other celestial objects.

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### **Recommendation**

- You are a dedicated solar photographer or astronomer who prioritizes image quality and invests in high-end equipment.

- You require the highest possible contrast, sharpness, and color accuracy for detailed solar imaging.

- You have a telescope that supports a 77mm filter and plan to use it exclusively for solar observations.

- You are willing to pay a premium for a filter that will last for years with minimal maintenance.

- You are a beginner or occasional solar imager and want to test the waters without a large investment. In this case, a **Baader AstroSolar film-based filter** or a **Thousand Oaks Solar Film** (e.g., 1/100,000 density) may be more cost-effective.

- You also photograph other celestial objects and need a more versatile filter. For example, a **Baader Planetarium ND filter** or a **Lunt Solar Systems filter** might better suit your needs.

- You are on a tight budget and can find a used or discounted version of the Nisi filter in good condition.

Ultimately, the Nisi Solar Filter Pro Nano is one of the best filters available for solar imaging, but its suitability depends on your specific needs, budget, and long-term goals in astrophotography. If solar imaging is a passion and you can afford the investment, it is a worthwhile purchase. Otherwise, exploring more affordable options may be a practical first step.

Details:

The filter also cuts UV and IR light, ensuring the most color-neutral result. This 16.5-STOP, 77mm Solar Filter Pro Nano UV/IR Cut ND from NiSi is an essential tool for any photographer looking to capture stunning solar images. The Nano coating on the filter also helps to reduce reflections and glare, improving overall image quality. Brand new, never used.

The NiSi Solar Filter Pro Nano UV/IR Cut ND is essential for capturing stunning solar images that will stand out from the crowd. With its high-quality construction, advanced features, and ease of use, this filter is a must-have for any photographer looking to take their solar photography the next level. Retailed for $109.

specifications filtecam:

• brand: Nisi
• mpn: N-674387
• part type: Filter
• filter shape: Circular
• filter effects: Nd
• to fit: Camera
• solar filter: 77mm Solar Nd Filter
• unit type: Unit
• manufacturer warranty: 1 Year
• filter type: Solar Filter
• mount fitting: Threaded
• filter size: 77 Mm
• upc: 972949376185

shipping filtecam:

• service: USPS Ground Advantage
• carrier: USPS
• type: Calculated
• cost: $0.00
• class: Standard
• transit: 5-11 Days

payments filtecam:

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

returns filtecam:

• policy: No Returns

seller filtecam:

• rating: 100.0%
• city: Cleveland, Ohio
• # reviews: 206

general filtecam:

• Cameras Photo > Lenses Filters > Filters
• condition: New

offer filtecam:

• sold: 0
• best offers: True
• options: Ship-to-home
• started: March 26, 2026
• availability: In Stock
• quantity: 1

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