K&F Concept 77MM ND2-ND400 Variable Filter

Key Features

• Adjustable Density Range Variable from 1-9 stops (ND2-ND400) for precise light control in varying conditions, perfect for long exposures and motion blur without color cast.
• Advanced Nano-Coating 24 multi-layers on both surfaces provide hydrophobic, oleophobic, and scratch-resistant protection, minimizing reflections and ensuring easy maintenance.
• Color Neutral Performance Maintains accurate color balance across the full range, avoiding the X-pattern or dark cross issues common in lesser variable NDs.
• Slim Profile Design Ultra-thin frame reduces vignetting on wide-angle lenses while offering smooth, jam-free rotation for quick adjustments.
• Durable Build Aviation aluminum frame for lightweight strength and longevity in field use.

• Filter Size 77mm thread diameter
• Filter Type Variable Neutral Density (ND)
• Density Range ND2 to ND400 (1-9 stops)
• Coating Layers 24 nano-coating layers (double-sided)
• Material Optical glass with aviation aluminum frame
• Thickness Slim design (exact mm not specified; optimized to prevent vignetting)
• Compatibility Standard 77mm lens thread; fits most DSLR/mirrorless cameras
• Weight Lightweight for portability (specific weight not detailed)