Camera lens UV filter K&F Concept Nano X MCUV 40.5mm Ultra Thin design

K&F Concept Nano X MCUV 40.5mm Ultra Thin design is a slim UV filter that protects the front element of compatible lenses from dust, scratches and UV-induced haze while preserving image clarity. The filter uses multi-coated Nano X glass to reduce reflections and improve light transmission, and its ultra-thin frame minimizes vignetting on wide-angle optics. Designed for lenses with a 40.5mm filter thread, this compact protector is intended for situations where low-profile, reliable front-element protection is required.

Advantages

The Nano X multi-coating reduces surface reflections and ghosting, improving contrast and color neutrality. The ultra-thin metal frame keeps the filter profile low to avoid vignetting on wide-angle lenses while still providing secure, threaded attachment. The optical glass is engineered to maintain sharpness and minimize any effect on autofocus and exposure metering. The product is lightweight and compact, making it convenient to carry during travel or everyday photography.

Подходит для

• Путешествий и уличной съёмки
• Ежедневного использования для защиты переднего элемента объектива
• Съёмки на широкоугольные объективы с резьбой 40.5 мм
• Использования в условиях, где требуется низкопрофильная защита для предотвращения виньетирования

Key specifications

• Filter type: UV (MCUV)
• Diameter / thread size: 40.5 mm
• Frame design: ultra-thin metal frame
• Optical construction: multi-coated Nano X glass
• Function: dust and scratch protection, UV haze reduction
• Compatibility: lenses with 40.5 mm filter thread

How to use

Screw the filter onto the front of a lens with a 40.5 mm filter thread until it is gently secure; do not overtighten. Use the filter permanently as a protective layer when transporting or shooting in environments where dust, moisture splashes or accidental contact may occur. Clean the coated glass with a soft microfiber cloth or a lens-cleaning solution and blower to remove particles before wiping. When attaching or removing, handle the filter by the frame to avoid touching the glass surface.

Usage recommendations

For best results, store the filter in a protective pouch when not in use and remove coarse debris with a blower before using a lens cloth. If you shoot with ultra-wide lenses, check for vignetting at the widest focal length; the ultra-thin design minimizes but may not eliminate vignetting on some optics. Use in combination with lens caps and hoods to maximize front-element protection.