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Urth

Urth 67mm Circular Variable ND8-128 3 to 7-Stop Lens Filter Plus+

SKU CH-F1CT-3WKZM

A 67mm variable neutral-density filter giving 3 to 7 stops of light control with German SCHOTT B270 glass and 20-layer nano-coating

  • 3 to 7-stop range controls exposure in changing light
  • German SCHOTT B270 glass delivers optical clarity
  • 20-layer nano-coating resists water oil and scratches
  • Ultra-slim rim prevents vignetting on wide-angle lenses
  • Double-threaded design allows stacking with other filters

Professional Variable ND Filter

The Urth 67mm Circular Variable ND8-128 Plus+ filter provides 3 to 7 f-stops of light reduction for photographers and videographers who need flexible exposure control across changing light conditions. It enables wider apertures for shallow depth of field and slower shutter speeds for motion blur without overexposure in low to bright environments.

German SCHOTT B270 Glass Construction

Built with professional German SCHOTT B270 glass and 20 layers of nano-coating, the filter resists water, oil and scratches while maintaining high light transmission and a consistent transmission curve. The ultra-slim rim prevents vignetting on wide-angle lenses and the double-threaded design allows stacking or simultaneous lens cap use.

Upgrade from Fixed ND Filters

This variable filter replaces a set of fixed-density ND filters, letting you dial precise density from ND8 to ND128 without swapping glass. The jump is worth it for creators who shoot run-and-gun video or fast-changing outdoor scenes where stopping to change filters means missing the shot. It is not for shooters who need density beyond 7 stops or who require hard-stop gear rings for follow-focus rigs.

Highlights

  • 3 to 7-stop range controls exposure in changing light
  • German SCHOTT B270 glass delivers optical clarity
  • 20-layer nano-coating resists water oil and scratches
  • Ultra-slim rim prevents vignetting on wide-angle lenses
  • Double-threaded design allows stacking with other filters

Specifications

No published specifications for this item yet.

Questions about this item

How many stops does the ND8-128 variable filter actually reduce?

The filter provides 3 to 7 f-stops of light reduction, adjustable across the ND8 to ND128 range.

Will the ultra-slim 67mm rim vignette on my wide-angle lens?

The ultra-slim rim is designed for wide-angle lenses and the manufacturer states it produces no vignetting.

How do I avoid the cross-polarization 'X' pattern when rotating the filter?

Rotate the front ring slowly until the 'X' pattern disappears; do not exceed the 7-stop limit marked on the rim.

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