Urth Circular Polarising (CPL) Lens Filter - 82mm

Name: Urth Circular Polarising (CPL) Lens Filter - 82mm
Brand: Urth
SKU: zhnozaoudb
Availability: InStock

Remove up to 99.9% of polarised light from water, glass and non-metallic surfaces to reduce reflec...

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Product Information

Full details

This guide is for photographers seeking to enhance their images by reducing unwanted reflections and boosting color saturation. The Urth 82mm Circular Polarising (CPL) Lens Filter effectively cuts polarized light, offering deeper blues, richer greens, and sharper contrast, especially useful in landscape and architectural photography. A key benefit is its ability to reveal true colors by removing glare from surfaces like water and glass. One caveat to consider is the 1.33 f-stop light reduction, which may require adjustments to exposure settings in low-light conditions.

All features

Brand	Urth

Extended Product Information

FAQs

What does a Circular Polarising (CPL) filter do?

A CPL filter reduces reflections from non-metallic surfaces like water and glass, cuts through atmospheric haze, and enhances color saturation and contrast, leading to more vibrant and clearer images.

How do I adjust the CPL effect?

Gently rotate the outer ring of the filter. Observe your camera's viewfinder or live view screen to see the effect change as you rotate it, allowing you to control the amount of reflection reduction and color enhancement.

Will this filter cause vignetting?

This filter has an ultra-slim rim designed to minimize vignetting. However, on some extreme wide-angle lenses, especially when combined with other filters, slight vignetting might still occur at certain focal lengths.

How much light does this filter reduce?

The Urth 82mm CPL filter causes a light reduction of approximately 1.33 f-stops. You will need to adjust your exposure settings (aperture, shutter speed, or ISO) accordingly.

Can I stack other filters with this CPL filter?

Yes, the double-threaded design allows you to stack other filters, such as neutral density (ND) filters, on top of the CPL filter. Be mindful that stacking filters can increase the risk of vignetting and further light loss.

What is the filter made of?

The filter is made of premium Japanese AGC optical glass with an 8-layer nano-coating, housed in a durable magnalium rim.

How should I clean the filter?

Use a clean microfiber lens cloth to gently wipe the surface. For tougher smudges, apply a specialized lens cleaning solution to the cloth, not directly to the filter.

Troubleshooting

Filter won't screw onto the lens.

Ensure you are using the correct filter size (82mm). Check the lens threads and filter threads for any debris or damage. Do not force the filter; if it doesn't thread smoothly, stop and re-align.

Vignetting (dark corners) is visible in the image.

This filter features an ultra-slim rim, but vignetting can still occur on some very wide-angle lenses, especially when stacked with other filters. Try zooming in slightly or removing other stacked filters.

No noticeable reduction in reflections or color enhancement.

Ensure the filter is properly attached and rotated. The effect is strongest when the filter is perpendicular to the reflected light. Try adjusting the angle of your camera or rotating the filter to find the optimal position.

Image appears too dark after attaching the filter.

This filter causes a 1.33 f-stop light reduction. You will need to compensate by increasing your exposure time, opening your aperture wider, or increasing your ISO sensitivity.

Pros and Cons

Pros

Significantly reduces reflections from water, glass, and other non-metallic surfaces.
Boosts color saturation and contrast for more impactful visuals.
Allows for adjustable polarization to fine-tune creative effects.
Constructed with high-quality Japanese optical glass and durable materials.
Slim rim design minimizes the risk of vignetting.
Backed by a lifetime guarantee.

Cons

Introduces a 1.33 f-stop light reduction, requiring increased exposure or wider aperture.
May not be suitable for situations requiring maximum light gathering.
Effectiveness can vary depending on the angle of light and the surface being photographed.

Setup, Compatibility & Care

Setup:

Identify the filter thread size on your lens (this filter is 82mm).
Gently screw the filter onto the front of your lens in a clockwise direction until snug. Avoid overtightening.
Rotate the outer ring of the filter to adjust the polarization effect. Observe the changes in reflections and saturation in your viewfinder or live view.

Compatibility:

This filter is designed for lenses with an 82mm front filter thread.
The ultra-slim rim is intended to minimize vignetting, making it compatible with many wide-angle lenses. However, always check for potential vignetting at the widest focal lengths.
It can be stacked with other filters (e.g., ND filters) due to its double-threaded design.

Care:

Clean the filter gently using a microfiber lens cloth. Start from the center and wipe outwards in a circular motion.
For stubborn smudges, use a lens cleaning solution approved for optical glass on the microfiber cloth, not directly on the filter.
Store the filter in its protective case when not in use to prevent scratches and dust accumulation.
Avoid touching the glass surface with your fingers.