- Hard Graduated ND8 (3 stops) filter made by Japanese import AGC glass ,increased optical clarity and color fidelity.
- 28 Multi-layer nanometer coatings technology, waterproof, scratch-resistant, anti-reflective green coating, effectively prevent from oil, fingerprint, scratch, protect valued lens.
- K&F hard neutral density adopts exclusive research and development gradual coating, the light from ultra violet to near-infrared light can pass through evenly.
- Double sides optical grinding and polishing to make sure the optical high parallelism and smooth to ensure the high sharpness of image
- Reduce Exposure in Selective Area (the light is big different between the ground and sky),It could fit to Lee Filter Holder and Cokin's Z Series Filter holder.
