K&F CONCEPT 82mm ND4-64 Variable ND & CPL Filter - Open Box

This filter offers variable neutral density and circular polarizer functions, crafted from AGC optical glass with nano-coating for high-quality, waterproof, and scratch-resistant performance. The aluminum alloy frame includes CNC design and self-locking technology.

• The filter provides a variable neutral density from ND4 to ND64 and a circular polarizer function.
• The filter is made from imported AGC optical glass with 28 layers of nano-coating on both sides.
• The filter claims to be waterproof, scratch-resistant, and oil-repellent.
• The filter uses self-locking technology to avoid the 'X' cross pattern issue.