



Smooth exposure. Dreamy diffusion.
The Urth ND2–400 + Ethereal ¼ Black Mist Plus blends adjustable neutral density and cinematic diffusion in one filter — giving you creative control over exposure and light character. Perfect for filmmakers and photographers seeking natural motion blur, wider apertures, and a soft filmic glow straight out of camera.
- Adjustable 1–8.6 stop light reduction with ¼ strength diffusion
- German SCHOTT B270 optical glass for precision clarity
- CoraNano™ 20-layer dual-side nano-coating for tonal balance
- Combines ND and diffusion for cinematic texture and control
- Ultra-slim, warp-resistant aluminium frame prevents vignetting
- Lifetime warranty
Filter Type
Variable neutral density + ¼ black mist diffusion
Exposure Reduction
ND2–ND400 (1-8.6 stops)
Glass
German SCHOTT B270
Coating
20-layer CoraNano™
System
Threaded
Frame
6061 Aluminium
Sizes
39mm-95mm diameters
Warranty
Lifetime warranty
To find out more information about the impact of this Urth product, view our Life Cycle Analysis (LCA) report here
Free shipping within Australia on orders $150 and over.
We deliver with AusPost and Fastway Couriers for faster and safer delivery.
Standard shipping: 3-7 days
Please allow an extra 2 days for regional areas.
ND2–400 + Ethereal ¼ Black Mist Filter Plus

1
CoraNano™ Coating
20-layer nano-coating engineered for ultra-low reflectivity, superior contrast, and advanced resistance to water, oil and fingerprints.

2
Variable ND Precision
Engraved stop indicators let you fine-tune exposure for precise light reduction and repeatable results.

3
Aerospace-Grade Frame
Ultra-slim, aerospace-grade aluminium for long-term durability without added weight or vignetting.

Design Features

All-Terrain Durability
Built with corrosion-resistant aluminium and hydrophobic coatings for demanding environments and everyday professional use.

Superior Optical Performance
CoraNano™ coated German SCHOTT B270 glass refines clarity, light transmittance and colour accuracy while reducing flare.

Responsible Design
A Certified B Corp, Urth meets high standards of social and environmental responsibility, ensuring a 10x net-positive impact.
Compare Similar Products


Filter Type
Variable neutral density
Exposure Reduction
ND2–ND400 (1-8.6 stops)
Glass
Japanese AGC
Coating
8-layer nano-coating
System
Threaded
Frame
6061 Aluminium
Sizes
37mm-95mm diameters
Warranty
Lifetime warranty


Filter Type
Variable neutral density + ¼ black mist diffusion
Exposure Reduction
ND2–ND400 (1-8.6 stops)
Glass
German SCHOTT B270
Coating
20-layer CoraNano™
System
Threaded
Frame
6061 Aluminium
Sizes
39mm-95mm diameters
Warranty
Lifetime warranty


Filter Type
Variable neutral density
Exposure Reduction
ND2–ND32 (1-5 stops)
Glass
German SCHOTT B270
Coating
20-layer nano-coating
System
Threaded
Frame
6061 Aluminium
Sizes
37mm-95mm diameters
Warranty
Lifetime warranty
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