K&F Concept 77mm XV38 Nano-X Variable ND Filter ND2~ND32

K&F Concept 77mm XV38 Nano-X Variable/Fader ND Filter ND2~ND32

Material and Optical Quality

• Made from completed professional optical glasses instead of optical resin.
• Reduces light intake without affecting overall color balance.
• Japanese AGC Glass with 28 layers of multi-coating for enhanced optical performance.

Advanced Features

• No "X" cross effect on images, eliminating common issues with wide-angle lenses and variable ND filters.
• Nanotec coating: waterproof, scratch-resistant, anti-reflective green coating that prevents oil, fingerprints, and scratches, protecting the lens.
• Accurate stop adjustment with 5 stops (ND2 to ND32) for precise light reduction.

Design and Build

• Ultra slim rim design to prevent wide-angle vignetting.
• Extra tough aviation aluminum alloy frame ensuring durability and preventing jamming.
• Filter thickness: 7.3 mm.
• Filter diameter: 77 mm; compatible with lenses having 77 mm thread size.
• Recommended lens cap/hood size: 82 mm.

Performance and Usage

• Reflectivity: 0.2%.
• Transmittance: optimized for HD and 8K video shooting and landscape photography.
• Waterproof and scratch-resistant properties enhance durability in various shooting conditions.
• Shape: circular.

Compatibility

• Compatible with all 77 mm lenses; verify lens thread size before ordering (marked with "ø" symbol on lens barrel or under lens cap).