Polarizer for Square Filter Systems
From €75 EUR+
"This filter has elevated my photography beyond my expectations. Can't get enough of the colours and contrast." – Javi bought our CPL Plus+.
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Urth Circular Polarizing Filters (CPL Filters) cut reflections, boost colour saturation and increase contrast by cutting out reflected polarized light. Our polarizing filters cut out polarized light, which usually washes out images with silvery reflected light. Our CPL filters cut out 99.9% of reflected light from water, glass, and non-metallic surfaces, uncovering bolder colours. Our CPL filters block diffused light from any direction. Simply rotate the outer element of the filter to adjust the level of polarization based on the direction of the light source. Our CPL filters give you greater creative control when there is excessive reflected light like you’ll experience in outdoor photography and filmmaking. At full polarization, our CPL creates a 1.33 f-stop light reduction. All Urth CPL filters are built with premium quality materials and are guaranteed for life. And each filter plants 1 tree so future generations can enjoy nature as much as we do now. All our circular filters come with a protective travel tin case, a recycled cleaning cloth, and recycled plastic-free packaging. Read more Read less
Urth Circular Polarizing Filters (CPL Filters) cut reflections, boost colour saturation and increase contrast by cutting out reflected polarized light. Our polarizing filters cut out polarized light, which usually washes out images with silvery reflected light. Our CPL filters cut out 99.9% of reflected light from water, glass, and non-metallic surfaces, uncovering bolder ... Read more Read less
Which range of CPL filter should I buy?
Let the quality of your lens guide your choice. Or simply go for the best – our professional Plus+ range.
Urth has two different ranges of filters: Urth (our premium range) and Urth Plus+ (our professional range). Let the quality of your lens guide your decision. If you’ve invested in a professional-quality lens, we recommend you match its quality with our Plus+ range. Our Urth range is the perfect option for all other standards of lens.
How do I get the most out of my CPL?
Use the 90-degree rule, then back it off a bit.
To achieve the strongest polarization possible, the reflected light source needs to be at 90-degrees to your CPL. To check this, make an L-shape using your thumb and index finger. Point your thumb at the lens and wherever your index finger is pointed, that is the angle that will achieve maximum polarisation. Sometimes at full polarization, the effect can look unrealistic so we suggest you back it off a bit for a slightly softer polarization.
Can I use a CPL with wide-angle and telephoto lenses?
Yes, we recommend our Plus+ range for telephoto and wide-angle lenses.
Make sure you have the right size filter and you’re all set. All our filters are designed with a super slim rim to minimise any vignetting that can occur with wide-angle lenses. Because of the amount of glass in telephoto and wide-angle lenses, Ous Plus+ range will provide the best image quality.
Whats the difference between CPL and linear polarizers?
A circular polarizer blocks reflected light from any angle while a linear polarizer only blocks reflected light from one direction.
A CPL offers more versatility and works better with digital cameras. Both linear and circular polarizers look the same, and they both do the same thing – reduce reflections on non-metallic surfaces such as water, glass and wet surfaces, and they increase colour saturation too. A CPL filter is essentially a linear polariser with an extra glass element that allows you to adjust your lens filter to block polarised light from different directions.
Does a CPL affect my f-stop value?
Yes but only a little – 1.33 f-stops.
A CPL filter will reduce the amount of light reaching your sensor by about 2 f-stops.
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