SUMMARY
The K&F Concept Nano-X Pro square filter system is designed for photographers who prefer to achieve desired effects directly in-camera. The system includes a durable aluminum holder with a 91 mm aperture, accommodating two square filters and a rear-mounted circular polarizer with a "CPL error" safeguard. The tested kit featured a 150x100mm 3-stop GND filter, a 100x100mm 10-stop ND filter, and a 95mm CPL, all constructed with Japan-made AGC optical glass and a 36-layer nano coating. The system's packaging and carrying case are also noted for their high quality and user-friendly design, including a ripcord access mechanism.
TAKEAWAYS
The Nano-X Pro system is built for in-camera adjustments, featuring an aluminum holder and Japan-made optical glass.
It includes a 10-stop ND filter, a 3-stop GND filter, and a 95mm CPL, with a unique rear-mounted CPL design.
The holder has twin slots for square filters and a protective design for the CPL.
Packaging and the carrying case are highlighted for their premium feel and practical features.