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Square glass filter, dark neutral tint, 75 by 85 mm, German Schott B270 glass, 20-layer nano-coating

Urth

Urth 75x85mm Square ND64 6-Stop Lens Filter Plus+

SKU CH-83NF-WZ025

Square 75x85mm ND64 filter reduces light by six stops using German B270 SCHOTT glass with 20-layer nano-coating

  • 6-stop light reduction enables long exposures in bright conditions
  • German B270 SCHOTT optical glass delivers true colour fidelity
  • 20-layer nano-coating repels water oil and scratches
  • 75x85mm square format fits standard filter holders
  • ND64 density maintains consistent transmission for cinematic results

75x85mm Square ND64 Filter

The Urth Plus+ filter is a 75 by 85 millimetre square neutral-density filter that reduces exposure by six stops. It is built for photographers and cinematographers who need precise light control for long exposures or wide apertures in bright conditions. The optical glass is German B270 SCHOTT material chosen for true colour transmission.

Check filter holder compatibility

Before ordering verify that your filter holder or adapter accepts 75 by 85 millimetre square filters. The filter has a standard fit profile but holder slot width and thickness tolerances vary between brands. Ensure your system can accommodate the filter thickness without vignetting on wide-angle lenses.

20-layer nano-coating benefits

The coating provides a more consistent transmission curve for accurate six-stop reduction across the frame. It also repels water and oil while resisting scratches, making the glass easier to clean and helping maintain optical performance over time.

Highlights

  • 6-stop light reduction enables long exposures in bright conditions
  • German B270 SCHOTT optical glass delivers true colour fidelity
  • 20-layer nano-coating repels water oil and scratches
  • 75x85mm square format fits standard filter holders
  • ND64 density maintains consistent transmission for cinematic results

Specifications

No published specifications for this item yet.

Questions about this item

What comes in the box with the Urth 75x85mm Square ND64 6-Stop Lens Filter Plus+?

The package contains the 75x85mm square ND64 filter with German B270 SCHOTT glass and 20-layer nano-coating; a filter holder and adapter rings are not included and must be purchased separately.

Which capacity or version of this filter should I choose for my lens?

This is a single 6-stop ND64 filter in the 75x85mm square format; select it when you need a fixed 6-stop reduction and your holder system accepts 75x85mm squares.

What does the 6-stop reduction mean when I use this filter on my camera?

The ND64 factor cuts light by six stops, letting you use shutter speeds 64 times longer or apertures six stops wider than without the filter while maintaining the same exposure.

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