Urth Variable ND Lens Filter - 52mm ND8-128 (3-7 Stop) Plus+

The Urth 52mm ND8-128 (3-7 Stop) Variable ND Lens Filter Plus+ is a variable grey filter that redu...

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Park CamerasUrth 52Mm Nd8-128 (3-7 Stop) Variable Nd Lens Filter Plus+ Undx128pl52
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£39.00
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Wex Photo VideoUrth Variable ND Lens Filter 46mm ND8-128 (3-7 Stop)
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Product Information

Full details

This Urth 52mm Variable ND Lens Filter is designed for photographers and videographers seeking greater creative control in dynamic lighting conditions. Its primary benefit is enabling longer shutter speeds for motion blur or wider apertures for shallow depth of field without overexposing your shots. A key consideration is the potential for an 'X-effect' (color cast and vignetting) at extreme settings if not properly managed.

All features

BrandUrth

Extended Product Information

FAQs

What does 'ND8-128' mean on the filter?

'ND' stands for Neutral Density. '8' to '128' refers to the filter factor, indicating the range of light reduction. ND8 reduces light by 3 stops, and ND128 reduces light by approximately 7 stops.

How do I prevent the 'X-effect'?

The 'X-effect' is a color cast and vignetting that can appear at extreme ND settings. It's best avoided by not pushing the filter to its absolute maximum or minimum rotation. The locking rim helps mitigate this, but careful adjustment is still recommended.

Can this filter be used for video?

Yes, this filter is excellent for videography as it allows you to maintain the correct shutter speed for natural motion blur while adjusting exposure with aperture or ISO.

Will this filter cause vignetting on my wide-angle lens?

The ultra-slim rim design is intended to minimize vignetting. However, on very wide-angle lenses (wider than 24mm equivalent on full-frame), some vignetting may still occur, especially at extreme ND settings.

How do I clean the filter?

Use a soft lens brush to remove dust. For smudges, use a clean microfiber lens cloth, slightly dampened with lens cleaning solution if necessary. Always clean gently.

What is the advantage of a variable ND filter over a fixed ND filter?

A variable ND filter offers a range of light reduction in a single unit, providing more flexibility for changing light conditions. A fixed ND filter provides a specific, consistent amount of light reduction.

What is the warranty on this filter?

Urth offers a lifetime quality guarantee on this filter, indicating their commitment to its durability and performance.

Troubleshooting

Filter is difficult to screw onto the lens.

Ensure you are using the correct filter size (52mm). Check lens threads for damage or debris. Align the filter threads carefully before attempting to screw it on.

Noticeable 'X-effect' or color cast.

This typically occurs at the extreme ends of the filter's range. Try rotating the filter slightly back from the maximum or minimum setting. Ensure the locking rim is properly engaged if applicable.

Difficulty rotating the filter rim to adjust stops.

Ensure the filter is securely attached to the lens. Check if the locking mechanism is engaged or disengaged as intended. If stiff, try gently rotating it back and forth.

Image appears softer than usual.

Variable ND filters can introduce a slight reduction in sharpness compared to non-filtered shots. Ensure the filter is clean and properly seated on the lens. For critical work, consider fixed ND filters.

Pros and Cons

Pros

  • Offers a wide range of light control (3-7 stops) in a single filter.
  • Enables creative techniques like motion blur and shallow depth of field.
  • High-quality German SCHOTT glass ensures clear, true-to-color images.
  • Locking mechanism helps prevent unwanted 'X-effect' and over-rotation.
  • Durable magnalium construction for longevity.
  • Slim rim design minimizes vignetting, especially on wider lenses.

Cons

  • Potential for an 'X-effect' (color cast/vignetting) at extreme ND settings if not carefully used.
  • Variable ND filters can sometimes introduce slight color casts compared to fixed ND filters.
  • Requires careful rotation to find the desired stop without exceeding limits.
  • Can be more complex to use than fixed ND filters for beginners.

Setup, Compatibility & Care

Setup

  1. Ensure your lens is clean.
  2. Screw the Urth Variable ND Filter onto the front of your 52mm lens. Align the threads and turn clockwise until snug. Do not overtighten.
  3. Rotate the outer rim of the filter to adjust the desired level of light reduction (from ND8 to ND128, approximately 3 to 7 stops).
  4. Observe your camera's display or use a light meter to confirm correct exposure.

Compatibility

This filter is designed for 52mm lens filter threads. Please verify your lens's filter thread size before purchasing. It is compatible with both still photography and videography.

Care

  • Clean the filter gently using a soft lens brush or microfiber cloth to remove dust and smudges.
  • For stubborn marks, use a lens cleaning solution sparingly on the cloth, not directly on the glass.
  • Store the filter in its protective case when not in use.
  • Avoid touching the glass surface with your fingers.
  • Periodically check the locking rim mechanism for smooth operation.

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