Urth Square ND1000 10-Stop Lens Filter Plus+ - 100 x 100mm

The Urth 100x100mm Square ND1000 10-Stop Lens Filter Plus+ is a professional-grade tool designed f...

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Wex Photo VideoUrth ND1000 100x100mm Square ND Filter - 10 Stop
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Product Information

Full details

The Urth 100x100mm Square ND1000 10-Stop Lens Filter Plus+ is an essential tool for professional and enthusiast photographers aiming to achieve cinematic long-exposure shots and motion blur in daylight. Designed for those who need precise light control, it provides a 10 f-stop reduction without compromising color accuracy. While it offers excellent light management and protection through its nano-coated German glass, users should note that the 100x100mm form factor requires a compatible square filter holder system to operate effectively.

All features

BrandUrth

Extended Product Information

FAQs

Can I use this filter on any lens?

It is compatible with most lenses as long as you have the appropriate adapter ring and a 100mm square filter holder system.

Will this filter cause a color cast?

The Urth Plus+ series is designed for color neutrality, meaning it should not introduce significant color casts to your images.

How do I calculate shutter speed with an ND1000?

An ND1000 filter requires 10 stops of light reduction. If your base exposure is 1/1000s, adding the filter would result in a 1-second exposure.

Is this filter waterproof?

The nano-coating is hydrophobic, meaning it repels water, which helps in wet conditions, though the filter should not be submerged.

Can I stack this filter with other filters?

You can stack filters in a holder system, but be aware that stacking multiple filters may increase the risk of vignetting on wide-angle lenses.

Troubleshooting

Image appears too dark or black

The ND1000 is very dark; ensure your camera is in manual mode and significantly increase your shutter speed or ISO.

Autofocus is failing

Due to the 10-stop reduction, the camera sensor may struggle to see through the filter. Frame and focus your shot before sliding the filter into the holder.

Light leaks in long exposures

Ensure the filter is pushed fully into the holder slot and consider using a foam gasket if your specific holder system supports one.

Pros and Cons

Pros

  • Excellent build quality using professional German optical glass
  • Effective 10-stop light reduction for silky motion blur effects
  • Nano-coating makes cleaning and maintenance much easier
  • Maintains high image sharpness and clarity
  • Neutral color balance avoids the need for heavy post-processing correction

Cons

  • Requires a separate filter holder system for attachment
  • Large density reduction can make autofocus difficult in low light
  • Square filters require more careful handling and storage than circular screw-on types

Setup, Compatibility & Care

To use the Urth 100x100mm filter, you must have a 100mm square filter holder system attached to your lens via an adapter ring. Slide the filter carefully into the outermost slot of your holder to prevent light leakage between the filter and the lens front element.

For care, always use a dedicated micro-fiber cloth to wipe the surface. Because of the multi-layer nano-coating, avoid using abrasive chemical cleaners that could degrade the coating over time. When not in use, store the filter in a dedicated pouch to prevent chips or micro-scratches on the glass edges.

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