NiSi Filter UHD UC UV L395 CT-3 for EF 500/4IS

NiSi Filter UHD UC UV L395 CT-3 — UV cut coating and designed to fit CANON EF 500/4IS

This NiSi UHD UC UV L395 CT-3 filter fits on the front of the CANON EF 500/4IS to protect the front element. The filter uses a patented installation design to ensure it does not harm the lens during fitting or removal. It provides protective and optical benefits while remaining easy to maintain.

Key features

• UV Cut coating — The filter has a UV cut coating to avoid interference from UV light, helping to reduce unwanted UV effects in your images.
• High definition glass — The optical element is made from high definition glass, which maintains image clarity and makes sure there is no effect to focusing when the filter is used.
• Matt black paint on glass edge — The glass edge receives a matt black paint treatment to avoid stray light entering the lens, which helps maintain image contrast and reduce internal reflections.
• Waterproof and oil-repellent — The filter surface is treated to be waterproof and oil-repellent, so it is easy to clean and maintain during field use.

Compatibility and intended use

The NiSi Filter UHD UC UV L395 CT-3 is specifically made to fit the CANON EF 500/4IS. You attach it to the front of the lens where it acts as a protective barrier for the front element while delivering the optical characteristics listed above.

Specifications

FAQ

• Question: Will this filter fit my lens?
  Answer: Yes. This NiSi model is designed to fit the CANON EF 500/4IS and mounts on the front of that specific lens to protect the front element.
• Question: Will the filter affect focusing or image sharpness?
  Answer: The filter uses high definition glass, and it is specified to make sure there is no effect to focusing. Therefore it preserves the optical performance when mounted.
• Question: How does the filter handle stray light and reflections?
  Answer: The glass edge features matt black paint to avoid stray light, which reduces the chance of internal reflections and helps maintain contrast.
• Question: How do I clean and care for the filter?
  Answer: The filter is waterproof and oil-repellent, which makes it easier to clean—simply remove surface contaminants with appropriate cleaning tools and the treated surface will resist oil and moisture.
• Question: Is installation safe for my lens?
  Answer: The product includes a patented installation design intended to assure no harm to the lens during fitting and removal, so you can mount it with confidence.