"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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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, Our Plus+ range will provide the best image quality.
What’s the difference between CPL and linear polarisers?
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 exposure?
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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