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Square neutral density filter, 100x100mm, dark glass in black frame

Benro

Benro Master Series ND256 2.4 4" 100x100mm Square Filter 8 Stop

SKU CH-W34T-BNY7K

Reduces light by 8 stops using 100x100mm Japanese optical glass with multi-layer coating

  • Premium Japanese optical glass delivers exceptional clarity and color fidelity
  • Multi-layer NANO WMC coating resists scratches, water and oil for easy cleaning
  • 100x100mm square format fits a wide range of filter holders and lens systems
  • 8-stop ND256 density enables long exposures and depth-of-field control in bright light
  • ULCA multi-coating cuts flare and chromatic aberration with 99.0% average transmission across 420-680nm

Essential tool for long-exposure photography

The Benro Master Series ND256 2.4 4" 100x100mm square filter reduces light by eight stops without shifting colour balance, enabling creative motion blur and depth-of-field control in bright conditions. It is built for amateur and professional photographers who need precise exposure management across various lens systems using standard 100mm filter holders.

Consistent optical performance in demanding

Multi-layer NANO WMC coating repels water and oil while resisting scratches, so the glass stays clean during extended outdoor sessions. ULCA multi-coating suppresses flare and chromatic aberration, delivering an average transmission above 99.0 % across the 420-680nm range for reliable sharpness and contrast throughout a shoot.

Durable construction simplifies daily handling

Premium Japanese optical glass with IR CUT coating maintains clarity and colour fidelity over time. The 100x100mm format fits widely available holder systems, letting you swap or stack filters quickly in the field without specialised adapters or step-up rings.

Highlights

  • Premium Japanese optical glass delivers exceptional clarity and color fidelity
  • Multi-layer NANO WMC coating resists scratches, water and oil for easy cleaning
  • 100x100mm square format fits a wide range of filter holders and lens systems
  • 8-stop ND256 density enables long exposures and depth-of-field control in bright light
  • ULCA multi-coating cuts flare and chromatic aberration with 99.0% average transmission across 420-680nm

Specifications

No published specifications for this item yet.

Questions about this item

Does the ND256 filter generate any heat or noise during long daytime exposures?

The Benro Master Series ND256 is a passive glass filter with no electronics, so it produces zero heat and no noise during extended use.

What holder system do I need to use this 100x100mm square filter?

You need a compatible 100mm filter holder system that accepts 100x100mm square filters to mount this ND256 on your lens.

Will the IR CUT coating work with my older lenses that lack modern coatings?

Yes, the integrated IR CUT coating blocks infrared light independently of the lens, preventing colour casts on both older and newer optics.

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