- - The K&F Concept Pro Square Filter System won the iF Design Award and the Red Dot Design Award.
- - Ultra-diameter ultra-thin: The bracket is 12mm thick and has a 91mm transparent opening. Effectively reduces the possibility of vignetting when using ultra-wide-angle lenses.
- - The K&F Concept Pro Square Filter System received the iF DESIGN AWARD and the Red Dot Design Award.
- - Super-diameter ultra-slim: holder thickness 12 mm, 91 mm clear opening. Effectively reduce the likelihood of vignetting when using an ultra wide angle lens.
- - 【Original Design-Super-Diameter & Ultra-Slim】K&F Concept Pro Square Filter System won the iF DESIGN AWARD and Red Dot Design Award. Unique Square Filter Frame with 95MM CPL, holder thickness 12mm, easy to take, no light leakage. Effectively reduce the chance of vignetting when using an ultra-wide-angle lens. The ultra-slim frame and a large diameter ensure no vignetting on a wide-angle lens and rear CPL design for convenient installation and removal.
- - 【CPL Filters Function】Allow you to remove reflections from non-metallic surfaces, such as water and glasses, also in color and contrast enhancement, especially for the blue sky and white clouds.
- - One filter has two functions, it can be used as a polarizer or as a black soft filter,Won two awards of IF and Red Dot in 2021.
- - Using AGC Japanese optical glass, 36-layer nano-coating technology, double-sided anti-reflection green film, which can effectively reduce the reflection on the surface of the filter