ND Filter Hoya NDx400 67mm

The Hoya NDx400 67mm is a neutral density filter that reduces incoming light by 9 stops (NDx400), allowing safe photography of extremely bright light sources such as solar eclipses and enabling very long exposures in daylight. Constructed from high-quality optical glass with a black frame and Hoya's HMC (Hoya Multi Coated) treatment, the filter maintains image contrast and minimizes flare and ghosting while keeping color balance consistent.

Advantages

This NDx400 filter cuts light to less than 1/500th of its original intensity, enabling safe imaging of ultra-bright scenes and very long shutter speeds for creative effects. Hoya HMC multi-coating reduces surface reflections, lowers flare and ghosting, and provides average light transmission above 97% for accurate color and sharp contrast. The 67mm thread size fits compatible lenses and the black frame offers durable mounting with minimal vignetting when used correctly.

Suitable for

• Photographing solar eclipses and other extremely bright light sources
• Long-exposure daylight photography to smooth water and blur movement
• Creative motion blur and slow-shutter effects in landscapes and architecture

Key specifications

• Type: Neutral Density (ND) filter
• Model: Hoya NDx400
• Light reduction: 9 stops (NDx400)
• Thread size: 67 mm
• Coating: HMC (Hoya Multi Coated)
• Material: Optical glass; black metal/plastic frame
• EAN: 024066018106

How to use

Screw the filter onto a 67 mm threaded lens or attach via an appropriate adapter. For solar eclipse photography, verify correct alignment and framing without looking directly through the viewfinder; use live view or an electronic viewfinder when possible. For long-exposure daylight shots, compose and focus before attaching the filter if your camera has difficulty focusing through the dense ND; then switch to manual focus, set the desired aperture and ISO, and increase shutter speed to achieve the required exposure time. Use a sturdy tripod and a remote release or timer to avoid camera shake.

Usage recommendations

Always confirm the filter is securely mounted and inspect for scratches or debris before use. When photographing the sun or other extreme light sources, follow local safety guidance and camera manufacturer instructions; never look directly at the sun through an optical viewfinder even with a filter attached unless the filter is specifically designed and certified for direct solar observation.