NISI OPTICS USA N-381773 Pro Nano Peak Transmission Sup Air 52MM Filter 99.8

( Brand: Nisi Optics Usa ), ( Manufacturer Part Number: N-381773 ), ( Part Type: Air Filter ), ( Size: 52mm )

Review NISI OPTICS USA 52mm Pro Nano Air Protection Filter 99.8% Peak Transmission And Sup

The **Nisi Optics N-381773 52mm Pro Nano Air Filter** is a high-performance, precision-engineered optical filter designed to deliver exceptional clarity and contrast for astrophotography, deep-sky imaging, and high-resolution planetary observation. Engineered with Nisi Optics signature expertise, this filter incorporates a **99.8% peak transmission** at its optimal wavelength range, ensuring minimal light loss while maximizing the capture of critical hydrogen-alpha (H ) and oxygen-III (O-III) emissions key spectral lines that define nebulae, supernova remnants, and other celestial targets. The filter s **Pro Nano Air-Spaced design** eliminates internal reflections and chromatic aberrations, producing razor-sharp images with no ghosting or fringing, even at extreme focal ratios. Constructed from **high-quality optical glass** with multi-layer dielectric coatings, the N-381773 maintains a **flat transmission curve** across its passband, providing consistent performance whether imaging through a fast APO refractor or a long focal-length Newtonian. Its **52mm diameter** makes it compatible with a wide range of telescopes and cameras, including popular DSLR and dedicated astro-camera setups, while the **precision-machined aluminum cell** ensures durability and stability under varying temperatures. Whether targeting the Orion Nebula, the Veil Nebula, or distant galaxies, this filter enhances the contrast of emission nebulae against the night sky s background, revealing finer details and deeper hues with every exposure. Ideal for both seasoned astrophotographers and enthusiasts seeking to elevate their imaging results, the Nisi Optics N-381773 is a testament to the brand s commitment to optical excellence and uncompromising performance.

### **Pros and Cons of the Nisi Optics N-381773 52mm Pro Nano Air Filter (99.8% Peak Transmission)**

1. **High Transmission Efficiency (99.8% Peak)** The filter achieves near-perfect light transmission at its optimal wavelength, making it ideal for astrophotography and deep-sky imaging where maximizing signal is critical.

2. **Nano Coating Technology** The nano-structured coating reduces scattering and absorption, improving contrast and sharpness in images, especially for narrowband filters (e.g., OIII, SII, Ha).

3. **52mm Size Compatibility** Works well with common telescope and camera setups, including DSLRs, DSOs, and some astrographs, without requiring excessive cropping.

4. **Durability and Stability** Nisi Optics is known for high-quality, long-lasting filters that maintain performance over time with proper handling.

5. **Minimal Vignetting** Designed to reduce edge darkening, ensuring consistent performance across the entire field of view.

6. **Good for Narrowband Imaging** While not a dedicated narrowband filter, it performs well in blocking unwanted light pollution while preserving key emission lines, making it useful for hybrid imaging setups.

7. **Threaded Design** The 52mm thread allows for easy integration into filter drawers or direct attachment to cameras/telescopes.

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1. **Not a True Narrowband Filter** Unlike dedicated OIII, SII, or Ha filters, this is a broadband filter with a 99.8% peak transmission window. It won t block all light pollution effectively for pure narrowband imaging (e.g., Hubble Palette setups).

2. **Limited Use Case** Best suited for specific wavelengths (e.g., around 500nm) rather than broad-spectrum astrophotography. It may not be ideal for lunar, planetary, or general wide-field imaging where a broader transmission range is needed.

3. **Price Point** As a specialized filter, it is more expensive than standard broadband or light pollution reduction filters, which may not justify the cost for all astrophotographers.

4. **Requires Proper Alignment** Like all filters, it must be installed correctly to avoid misalignment or dust contamination, which could degrade performance.

5. **No Built-in Light Pollution Blocking** Unlike urban-optimized filters (e.g., Astronomik CLS, Optolong L-Pro), this filter does not actively suppress common light pollution lines (e.g., mercury, sodium), so it may not perform well in highly polluted skies without additional filters.

6. **Potential for Overkill** If your primary goal is general deep-sky imaging (e.g., galaxies, nebulae without narrowband focus), a simpler broadband filter or a dedicated narrowband filter might be more practical.

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The **Nisi Optics N-381773 52mm Pro Nano Air Filter** is a **high-performance, specialized filter** designed for **precise light transmission at its peak wavelength**, making it valuable for **specific astrophotography applications** such as:

- **Narrowband hybrid imaging** (when combined with other filters).

- **High-contrast imaging** where minimizing scattering is critical.

- **Research or scientific imaging** requiring near-perfect transmission at a defined band.

However, it is **not a versatile all-purpose filter**. Its **narrow transmission window and high cost** limit its practicality for casual or broad-spectrum astrophotography. If your goal is **light pollution reduction, planetary imaging, or general deep-sky photography**, other filters (e.g., Astronomik CLS, Optolong L-Pro, or dedicated narrowband filters) may be more suitable.

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- You are an **advanced astrophotographer** working with **narrowband setups** (e.g., Hubble Palette, dual-band imaging) and need a **high-transmission filter for specific wavelengths**.

- You prioritize **minimizing light scattering** and **maximizing contrast** in your images.

- You are using it in **combination with other filters** (e.g., OIII, SII) for hybrid imaging.

- You need a **general-purpose light pollution filter** for broad-spectrum deep-sky imaging.

- You are on a **tight budget**, as cheaper alternatives may suffice for your needs.

- You are new to astrophotography and unsure whether this specialized filter aligns with your projects.

For most **beginner to intermediate astrophotographers**, a **dedicated narrowband filter (e.g., Astronomik 12nm OIII/SII/Ha) or a broadband light pollution filter (e.g., Optolong L-Pro)** would be a more practical and cost-effective choice. The Nisi Pro Nano Air Filter is best reserved for **specific, high-end applications** where its unique properties are necessary.

Details:

Premium Optical Glass for Pure Color Accuracy: Constructed from ultra water-white optical glass, the Air Protector maintains lens's true color rendition and tonal precision. From large-format cameras to hybrid mirror less systems, it maintains optimal performance without introducing softness or distortion. Service: The official exclusive distributor for NiSi Filters in the USA. The surface treatment ensures that smudges wipe away effortlessly, keeping your lens ready to shoot in any condition, whether humid climates, dusty locations, or studio environments.

Uncompromising Quality Control: Every NiSi Air Protector undergoes detailed optical testing to ensure exceptional transmission and flatness. Its precisely machined knurled edge provides a secure grip for quick mounting and removal, even when wearing gloves in the field. Lightweight, Ultra-Thin Frame for Perfect Fit: The ultra-thin aluminum frame minimizes weight while eliminating the risk of vignetting on wide-angle lenses. Whether capturing cinematic footage or detailed stills, this filter guarantees maximum fidelity and true-to-life clarity.

NiSi 52mm Pro Nano Air Protection Filter with 99.8% Peak Transmission and Supports 8K Image Quality - Optics USA: Light Transmittance Delivers near-perfect transparency, maintaining the full optical performance of your lens while offering dependable protection. The glass undergoes strict inspection to ensure perfect surface flatness and minimal reflectivity, achieving consistent optical results across all focal length s. Premium Ultra Water-White Optical Glass - Crafted from precision optical glass that delivers neutral color balance and outstanding light transmission.

24 Layer Coating Structure - Features 48 total layers of protective and anti-reflective coating for long-lasting clarity performance. Nano Coating Technology for Real-World Durability: ISIS double-sided multi-layer nano coating enhances image contrast while repelling dust, oil, and moisture. Theres no shift in color, exposure, or contrast. Just pure, natural light reaching your sensor. NiSi Air Protector Pure light, perfect protection: Engineered for those who demand flawless Optics and reliable defence their lenses.

Waterproof and Oil-Resistant Coating - Repels moisture, fingerprints, smudges with ease, making cleaning effortless preserving flawless optical clarity. From ocean spray to desert dust, your lens remains shielded without affecting clarity or transmission. Built to Withstand the Elements: The Air Protectors double-sided waterproof and oil-resistant coatings provide peace of mind in unpredictable conditions. 8K Image Quality Support - Engineered for high-resolution sensors, ensuring exceptional detail, contrast, and edge-to-edge sharpness.

Double-Sided Multi-Layer Nano Coating - Reduces internal reflections and improves contrast, keeping your images clean crisp even in complex lighting environments. Ultra-Thin Aluminum Frame - Lightweight and durable construction with a knurled edge for easy installation removal, ensuring no vignetting on wide-angle lenses.

part #: n381773 price

• $49.99

specifications filtecam:

• brand: Nisi Optics Usa
• mpn: N-381773
• part type: Air Filter
• size: 52mm

seller filtecam:

• rating: 99.3%
• city: Los Angeles, California
• # reviews: 507

general filtecam:

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

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offer filtecam:

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• started: February 14, 2026

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