NISI NIR-ND0.9-82 Pro Nano Irnd Filter 82MM 3-STOP AN-1957

( Brand: Nisi ), ( Manufacturer Part Number: NIR-ND0.9-82 ), ( Part Type: Filter ), ( Country Of Origin: China ), ( Filter Size: 82 Mm )

Review NISI Pro Nano Irnd Filter 82mm

The **Nisi NIR-ND0.9-82 Pro Nano IRND Filter** is a high-performance, precision-engineered optical accessory designed specifically for astrophotographers and advanced astronomers seeking to enhance the clarity and contrast of their deep-sky images while effectively mitigating the disruptive influence of near-infrared (NIR) and neutral-density (ND) light pollution. Crafted from Nisi s renowned **AN-1957** (Anti-Reflective Nano-Ion Coating) glass, this 82mm filter represents the pinnacle of modern filter technology, combining exceptional optical clarity with superior durability. The **ND0.9** designation indicates a **three-stop neutral-density attenuation**, meaning it uniformly reduces the intensity of all visible light wavelengths by 75%, which is invaluable for capturing faint celestial objects like nebulae, galaxies, and supernova remnants without overexposing the sensor. Beyond its neutral-density function, the filter incorporates a **highly selective infrared-blocking (IRND) layer**, which effectively suppresses the pervasive glow of artificial light pollution particularly the problematic **550nm and 580nm sodium vapor lines** while maintaining full transparency across the critical **H-alpha, OIII, and SII emission bands** (approximately 656nm, 500nm, and 672nm, respectively). This dual-purpose design ensures that astrophotographers can achieve deeper, cleaner exposures with reduced noise and improved signal-to-noise ratio, making it an indispensable tool for both narrowband and broadband imaging setups. The filter s **multi-layer dielectric coating** minimizes internal reflections and ghosting, preserving the integrity of the captured light and ensuring razor-sharp, high-contrast images. Additionally, the **Nano-Ion coating** enhances resistance to smudging and contamination, making it ideal for field use where filters are frequently handled. With its **82mm diameter**, this filter is perfectly suited for telescopes and cameras equipped with standard 82mm filter threads, offering a seamless integration into existing astrophotography rigs. Whether employed in a **light-polluted urban environment** or under pristine dark skies, the Nisi NIR-ND0.9-82 Pro Nano IRND Filter delivers unparalleled performance, empowering photographers to unlock the full potential of their equipment and reveal the cosmos in breathtaking detail.

The **Nisi NisiNIR-ND0.9-82 Pro Nano IRND Filter (82mm, 3-stop)** is a specialized neutral density (ND) and infrared (IR) blocking filter designed for astrophotography and certain types of terrestrial photography where IR suppression is critical. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros**

1. **High-Quality IR Blocking**

The filter is specifically engineered to block infrared wavelengths, which is essential for astrophotography (e.g., lunar, planetary, and deep-sky imaging) where IR interference can degrade image quality. It helps maintain true color balance and reduces thermal noise from heat sources.

2. **Precision Neutral Density (ND) Coating**

The 0.9-stop ND coating allows for longer exposures in bright conditions without overexposing the image. This is useful for smooth water, silky clouds, or motion blur effects in terrestrial photography where IR blocking isn t a primary concern.

3. **Multi-Coated for Optimal Transmission**

The filter uses multi-layer coatings to minimize reflections, flare, and ghosting, which improves overall image clarity and contrast. This is particularly valuable in high-contrast scenes or when shooting through thick glass (e.g., telescopes).

4. **Nano Coating Technology**

The "Nano" designation suggests a thin, high-precision coating that reduces weight and thickness while maintaining performance. This makes the filter less prone to vignetting or causing optical aberrations.

5. **Durable and Weather-Sealed**

Nisi filters are known for their robust construction, often featuring weather-sealed edges to protect against moisture and dust. This is important for field use where filters may be exposed to harsh conditions.

6. **Compatibility with IR-Cut Filters**

The filter can be stacked with other IR-cut filters (e.g., Baader or Astronomik) for enhanced IR suppression in demanding astrophotography applications.

7. **Minimal Vignetting**

Well-designed ND/IR filters like this one typically exhibit minimal vignetting at the edges, ensuring consistent performance across the entire frame.

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### **Cons**

1. **Limited Use Case**

While excellent for astrophotography and IR-sensitive applications, this filter is overkill for most terrestrial photography where IR blocking isn t necessary. It adds cost and bulk without providing a tangible benefit for general use.

2. **Cost**

Specialized filters like this one are more expensive than standard ND or UV filters. The price may not justify the purchase for hobbyists who don t frequently shoot in IR-sensitive scenarios.

3. **Potential for Overcorrection**

In some cases, aggressive IR blocking can lead to an overcorrection of color balance, particularly if the camera s sensor is sensitive to near-IR wavelengths. This might require additional post-processing to achieve natural colors.

4. **Weight and Bulk**

Even though it s labeled "Nano," the filter is still thicker than a standard UV filter. This can add weight to your setup, which may be a consideration for astrophotographers using lightweight mounts or telescopes.

5. **Compatibility with Some Cameras**

If you re using a camera with a very sensitive IR response (e.g., some DSLRs or mirrorless cameras with modified sensors), the filter might not fully neutralize IR, requiring additional filters or modifications.

6. **Limited Stop Power for Terrestrial Use**

The 0.9-stop ND is relatively weak compared to higher-stop ND filters (e.g., 3-stop or 6-stop). If you re primarily interested in ND filters for terrestrial photography, a dedicated ND filter might be more practical.

---

### **Conclusion**

The **Nisi NisiNIR-ND0.9-82 Pro Nano IRND Filter** is a highly specialized tool best suited for astrophotographers or photographers working in environments where infrared interference is a significant issue. Its strengths lie in its precise IR blocking, minimal vignetting, and high optical quality, which are critical for achieving accurate color representation in lunar, planetary, or deep-sky imaging. However, its niche application and higher cost make it less ideal for general photography or terrestrial use where IR blocking isn t necessary.

For most terrestrial photographers, a standard ND filter or a UV/skylight filter would be more practical. Conversely, if you re deeply involved in astrophotography or require IR suppression for other specialized applications, this filter is a worthwhile investment due to its performance and durability.

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### **Recommendation**

- You are an astrophotographer shooting the Moon, planets, or deep-sky objects and need reliable IR suppression.

- You frequently encounter IR interference in your imaging and require a high-quality, multi-coated solution.

- You re willing to invest in a filter that enhances the accuracy and clarity of your astrophotography without introducing color casts or thermal noise.

- You re primarily a landscape, wildlife, or general photography enthusiast who doesn t need IR blocking.

- You re on a tight budget and can achieve similar results with a more affordable, general-purpose ND filter.

- You re unsure whether IR interference is a significant issue in your specific use case, as the filter s specialized nature may not offer enough versatility.

For those who do purchase it, consider pairing it with a **Baader IR-Cut or Astronomik IR-blocking filter** for even stronger IR suppression if needed. Additionally, always test the filter with your specific camera and setup to ensure it meets your expectations for color balance and performance.

Details:

Includes a hard plastic case. Clean, with minor wear. Please view all pictures for details. From a smoke-free home.

Satisfaction guaranteed. In good preowned condition.

part #: nirnd0982 prices

• $59.00-$289.00

specifications filtecam:

• brand: Nisi
• mpn: Nir-nd0.9-82
• part type: Filter
• country of origin: China
• filter size: 82 Mm

shipping filtecam:

• type: Calculated
• cost: $0.00
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• transit: 3-8 Days
• class: Standard

general filtecam:

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

seller filtecam:

• rating: 99.6%
• city: Rio Rancho, New Mexico
• # reviews: 7405

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• quantity: 1
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• started: February 10, 2026
• availability: In Stock

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