NiSi Filter Protector Pro Nano Huc 58mm

NiSi Filter Protector Pro Nano HUC 58mm – Ultra-thin 3.5mm Frame to Minimize Vignetting

The NiSi Filter Protector Pro Nano HUC 58mm protects the front element of your lens from dust and impact while keeping image quality high. It uses high quality optical glass with nano coating on both sides to ensure excellent light transmission. The filter’s ultra-thin aluminum frame measures 3.5mm, which helps it fit even on super wide-angle lenses and reduces the risk of vignetting.

Built for protection and optical clarity

This protector filter offers several engineered features that focus on durability and minimal optical interference. Because the glass has a specialized Nano coating on both sides, the filter allows very high light passage. At the same time, the frame construction and finish prevent common mechanical issues that can arise from repeated use.

Key features

• Ultra thin frame (3.5mm) to minimize vignetting on wide angle lenses.
• High quality optical glass for high transmittance (>99.3%) and a highly smooth surface with only 0.3% reflection.
• Exclusive creative "U" type Nano coating on both sides.
• Hardened waterproof coating for added surface protection.
• Protects the lens from dust and damage to the front element.
• Easy to clean when exposure to dirt or fingerprints occurs.
• Superfine dull polishing and elaborate knurling to ensure the frame will not blanch because of repeated rotation.

How it helps you shoot

Use this filter to guard expensive front elements during travel, outdoor shoots, or everyday use. Because the filter passes the majority of light and keeps reflection to a minimum, it maintains image quality while providing physical protection. The ultra-thin frame reduces the chance of vignetting on wide-angle lenses, making it suitable when you need both protection and a wide field of view.

Specifications

FAQ

question: Will this filter cause vignetting on wide-angle lenses?
Answer: The filter uses an ultra-thin 3.5mm frame designed specifically to minimize vignetting, making it suitable for many wide-angle lenses. However, compatibility can vary with extreme ultra-wide or specialty lenses, so check your lens clearance if you use lens hoods or adapters.

question: How does the Nano coating affect image quality?
Answer: The exclusive "U" type Nano coating on both sides increases light transmission (>99.3%) and reduces surface reflection (about 0.3%), which helps preserve contrast and color while offering the protective benefits of a front filter.

question: Is the filter durable and easy to maintain?
Answer: Yes. The filter has a hardened waterproof coating for added surface protection, and the glass is easy to clean. The frame’s superfine dull polishing and elaborate knurling reduce wear and prevent blanching from repeated rotation, improving long-term durability.

question: What protection does this filter provide?
Answer: The NiSi Protector guards the front element from dust and physical damage from impacts or scratches, giving practical protection during transport and shooting without introducing significant optical loss.