K&F Concept KF High-End Square Bracket System

The K&F Concept KF High-End Square Bracket System from the Nano X Pro Series is a premium filter holder solution featuring an ultra-slim design with a built-in 95mm CPL. Designed to eliminate vignetting even on ultra-wide lenses, it offers award-winning construction, 36-layer nano-coated optics, and compatibility with multiple lens sizes through included adapter rings.

The K&F Concept KF High-End Square Bracket System is an advanced, award-winning filter holder kit engineered for professional photographers who demand maximum image clarity and flexibility. Its innovative ultra-slim 12mm holder design with a built-in 95mm circular polarizer ensures zero vignetting on wide-angle lenses while offering quick, intuitive operation. The premium CPL filter features imported optical glass with a 36-layer nano-coating that delivers exceptional color accuracy, high light transmission, and superior resistance to water, oil, scratches, and reflections. This multi-functional bracket system supports up to two square filters plus the integrated CPL, making it ideal for landscape photographers who rely on ND, GND, and CPL combinations. The kit includes four adapter rings (67mm, 72mm, 77mm, 82mm), ensuring compatibility across a wide range of lenses.

Key Features

• Award-winning design (iF & Red Dot) with ultra-slim 12mm holder
• Built-in 95mm circular polarizer for reflection reduction and color enhancement
• Compatible with two square filters simultaneously
• Zero vignetting on ultra-wide-angle lenses
• 36-layer nano-coated optical glass for HD clarity
• Waterproof, anti-scratch, anti-grease nano-coating
• Includes 67mm, 72mm, 77mm, and 82mm adapter rings
• Fast and convenient filter mounting and removal

• 1 K&F Concept KF High-End Square Filter Holder
• 1 Built-in 95mm CPL filter
• 4 Adapter rings (67mm, 72mm, 77mm, 82mm)

• Filter holder thickness 12mm
• Built-in filter 95mm CPL
• Coating 36-layer Nano-X multi-coating
• Material High-end optical glass + high-strength aviation-grade aluminum
• Compatibility Lenses using 67mm, 72mm, 77mm, 82mm threads; supports square filters