KF X-Fader Variable ND Filter 40.5mm ND2-ND400 Gray

The KF X-Fader Variable Neutral Density Filter is a versatile tool for photographers and videographers, allowing precise control over exposure and depth of field. With a 40.5mm diameter and adjustable ND2 to ND400 range (1-9 stops), this filter is ideal for achieving smooth motion blur or shooting in bright conditions without changing shutter speed or aperture.

Advantages

Variable ND design eliminates the need for multiple fixed ND filters, saving space and cost. The ultra-slim aviation aluminum frame minimizes vignetting, while multi-layer nano-coating repels water, oil, and scratches for lasting clarity. Neutral color balance ensures natural tones with minimal color shift.

Suitable for

• Landscape photography with long exposures
• Videography requiring consistent shutter speed
• Portrait photography with wide apertures in bright light
• Travel and outdoor shooting

Key specifications

• Filter Type: Variable Neutral Density (VND)
• Filter Factor Range: ND2 - ND400
• Stops of Light Reduction: 1 to 9 Stops
• Filter Diameter: 40.5 mm
• Optical Material: High-Quality Optical Glass
• Frame Material: Aviation Aluminum Alloy
• Coating Technology: Multi-Layer Nano-Coating
• Water & Oil Repellent: Yes
• Scratch Resistant: Yes
• Anti-Reflective: Yes
• Rotation Angle: Approx. 360 degrees
• Front Thread: Yes (for lens cap or stacking)
• Rear Thread: Yes (for mounting on lens)
• Optical Density Range: 0.3 - 2.7
• Light Transmittance Range: 50% - 0.25%
• Product Series: X-Fader Series

Recommendations

For best results, use with a lens hood to reduce flare. Compatible with 40.5mm lens threads. Store in a protective case when not in use.