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Urth 72mm variable ND filter, slim magnalium frame, dark glass, locking rim

Urth

Urth 72mm ND2-400 Variable ND Camera Filter

SKU CH-GDVQ-VCS3C

Variable ND filter providing 1 to 8.66 f-stop reduction for exposure control in changing light

  • 1 to 8.66 f-stop range enables shallow depth of field in changing light
  • Locking rim prevents over-rotation and the X-effect during adjustment
  • 8-layer nano-coated Japanese AGC glass ensures precise light control
  • Ultra-slim rim design avoids vignetting on wide-angle lenses
  • Magnalium construction provides durable, lifetime-backed performance

Urth 72mm Variable ND Filter

The Urth 72mm ND2-400 Variable ND Lens Filter gives photographers and cinematographers continuous light control from 1 to 8.66 f-stops. It suits nature, landscape and video work where changing light demands quick exposure adjustment without swapping filters. The 72mm thread fits lenses of that diameter directly.

Locking Rim and Slim Magnalium Frame

A min-max locking rim stops over-rotation and prevents the X-effect that can ruin wide-angle shots. The ultra-slim magnalium construction keeps the filter profile low to avoid vignetting on compatible lenses. Eight-layer nano-coated Japanese AGC glass maintains high light transmission while resisting reflections and smudges.

ND2-400 Range and Wide-Angle Limits

The ND2-400 range covers shallow depth of field and long exposure needs in variable conditions. At the strongest settings on wide-angle lenses the X-effect can appear, so Urth recommends ND2-32, ND8-128, ND64-1000 or fixed ND filters for those focal lengths. Buyers needing densities beyond ND400 or a larger thread size will need a different filter.

Highlights

  • 1 to 8.66 f-stop range enables shallow depth of field in changing light
  • Locking rim prevents over-rotation and the X-effect during adjustment
  • 8-layer nano-coated Japanese AGC glass ensures precise light control
  • Ultra-slim rim design avoids vignetting on wide-angle lenses
  • Magnalium construction provides durable, lifetime-backed performance

Specifications

No published specifications for this item yet.

Questions about this item

How many f-stops can the Urth 72mm ND2-400 filter reduce before the X-effect appears?

The locking rim stops rotation at 8.66 f-stops, preventing the cross-pattern artefact that occurs when a variable ND is turned beyond its design limit.

Does the filter generate heat or draw power during continuous all-day shooting?

No, it is a passive glass filter with no electronics, so it produces no heat and consumes no power regardless of how long it is used.

What lens thread size must my lens already have for this filter to mount directly?

Your lens needs a 72 mm front thread; the filter screws straight onto that thread without an adapter ring.

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