NiSi Filter AIR Protector 46mm

NiSi Filter AIR Protector 46mm – 99.8% Light Transmittance for Clear Lens Protection

The NiSi Air Protector 46mm gives photographers and filmmakers reliable physical protection while preserving image quality. It matches NiSi’s optical standards and keeps your lens’s native performance intact, adding a dependable layer of defence against dust, moisture and everyday wear.

Key benefits for photographers and filmmakers

• Preserves image quality: With 99.8% light transmittance, the filter delivers near-perfect transparency so your lens retains its full optical performance.
• Supports high-resolution capture: The AIR Protector is engineered for 8K image quality, maintaining detail, contrast and edge-to-edge sharpness on high-resolution sensors.
• Reduces reflections: Double-sided multi-layer nano coatings lower internal reflections and improve contrast in challenging lighting.
• Easy to clean and maintain: Waterproof and oil-resistant coatings repel moisture, fingerprints and smudges, making cleaning effortless.
• Neutral color and high transmission: Premium ultra water-white optical glass preserves neutral color balance and strong light transmission.
• Low profile and durable frame: The ultra-thin aluminum frame with a knurled edge enables easy installation and removal, while designed to avoid vignetting on wide-angle lenses.

Features in detail

NiSi built the AIR Protector to provide uncompromising protection without compromising imaging performance. Additionally, the double-sided multi-layer nano coating minimizes flare and ghosting, so images remain clean and crisp even in complex lighting. The hydrophobic and oleophobic surface helps keep the filter clear outdoors and reduces the need for frequent cleaning.

Furthermore, the filter uses premium ultra water-white optical glass to maintain neutral color balance and excellent light transmission. The filter's frame is ultra-thin and made from aluminum, with a knurled edge that makes it simple to screw on or remove, and its profile helps prevent vignetting on wide-angle optics.

What's included / Available sizes

• Sizes available: 40.5 – 105mm — covers a wide range of common lens thread sizes, including 46mm.

Who should use the NiSi AIR Protector?

Photographers and filmmakers who require dependable front-element protection without sacrificing optical performance will benefit from this filter. It suits those using high-resolution sensors, wide-angle lenses where vignetting is a concern, and outdoor shooters who need easy-clean, water- and oil-repellent surfaces.

Smart FAQ

Question: Will the AIR Protector affect my image sharpness or color?
Answer: No. The filter features premium ultra water-white optical glass and 99.8% light transmittance to maintain neutral color balance and preserve sharpness, supporting high-resolution capture up to 8K.

Question: How does the coating help in real-world shooting?
Answer: The double-sided multi-layer nano coating reduces internal reflections and improves contrast, while the waterproof and oil-resistant top layer repels moisture and fingerprints, making it easier to keep the filter clean during shoots.

Question: Will this filter cause vignetting on wide-angle lenses?
Answer: The AIR Protector uses an ultra-thin aluminum frame designed to minimize the risk of vignetting on wide-angle lenses, and the knurled edge helps you install and remove it quickly when needed.

Question: What thread sizes can I get?
Answer: NiSi offers the AIR Protector in sizes from 40.5mm to 105mm, so you can choose the size that fits your lens, including the 46mm option.