K&F 77mm B Series Variable ND2-400 Filter
Key Features
- Variable ND2–ND400 (1–9 stops light reduction)
- High-quality optical glass
- Minimal color shift for accurate colors
- Multi-layer coating (anti-glare & reflection)
- Smooth rotation for precise control
- Slim aluminum frame (no vignetting)
- 77mm thread size (wide compatibility)
- Durable and lightweight design
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