Urth
Urth 72mm Circular ND4 2-Stop Lens Filter Plus+
Reduces light by two stops using German SCHOTT B270 glass with 20 nano-coating layers and an ultra-slim double-threaded rim
- 2-stop light reduction for balanced long exposures
- German SCHOTT B270 glass for accurate colour transmission
- 20-layer nano-coating resists water, oil and scratches
- Ultra-slim 72mm rim prevents vignetting on wide lenses
- Double-threaded design allows stacking with other filters
Fixed Light Reduction
The Urth 72mm Circular ND4 2-Stop Lens Filter Plus+ provides a fixed 2 f-stop reduction for photographers and cinematographers who need precise exposure control in bright conditions. It enables wider apertures and longer shutter speeds without overexposing the image, supporting creative depth-of-field and motion-blur techniques. The filter threads onto 72mm lens diameters and is built for demanding optical work.
Physical Constraints
The ultra-slim rim minimises vignetting on wide-angle lenses, while the double-threaded design allows stacking with other filters or a lens cap. Light transmission is managed through 20 layers of nano-coating on German SCHOTT B270 glass, which also resists water, oil and scratches. These physical traits define how the filter fits into a workflow and how it holds up under repeated handling.
Optical Baseline
German SCHOTT B270 glass with 20-layer nano-coating delivers the consistent transmission curve that determines whether highlights stay clean and colour stays neutral. This specification is the primary factor in deciding if the filter meets professional standards for cinema or high-resolution stills.
Highlights
- 2-stop light reduction for balanced long exposures
- German SCHOTT B270 glass for accurate colour transmission
- 20-layer nano-coating resists water, oil and scratches
- Ultra-slim 72mm rim prevents vignetting on wide lenses
- Double-threaded design allows stacking with other filters
Specifications
No published specifications for this item yet.
Questions about this item
Should I pick the 72mm ND4 2-Stop Plus+ or a different filter strength for my lens?
Choose this 72mm ND4 2-Stop filter if your lens has a 72mm thread and you need a fixed two-stop light reduction for wider apertures or longer exposures in bright conditions.
What does the fixed 2-stop reduction actually do when I mount this on my camera?
It cuts the light entering the lens by two full f-stops, letting you open the aperture wider or slow the shutter speed without overexposing the image.
Does the double-threaded mount let me stack another 72mm filter or cap on top?
Yes, the front thread accepts standard 72mm filters or a lens cap, so you can stack a CPL or protective filter without vignetting from the ultra-slim rim.
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