Questions tagged “circular polarizer”

Ask the Unique Photo creator community — gear, technique, post-processing and more.

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182

Why don’t two circular polarizing camera filters go dark when crossed at 90°?

polarizerlinear-polarizerfilterslens-accessoriescircular-polarizer

Photography Stack Exchange contributor

5y ago

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117

How do I free up a stiff B+W circular polarizer without damaging it?

b-wmaintenancecleaningfilterscircular-polarizer

Photography Stack Exchange contributor

6y ago

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86

Could a cheap or defective circular polarizer cause soft images on a Sigma 150-500mm lens?

autofocussigma-150-500mmfilterscircular-polarizerimage-quality

Photography Stack Exchange contributor

7y ago

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183

Why does my screw-in polarizer change color when reversed instead of just darkening the screen?

polarizerlinear-polarizeropticsfilterscircular-polarizer

Photography Stack Exchange contributor

8y ago

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317

What’s the difference between linear and circular polarizing filters in photography?

autofocuspolarizerlinear-polarizerfilterscircular-polarizer

Photography Stack Exchange contributor

8y ago

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150

Can I mount a circular polarizer behind a 100mm slot-in filter holder?

nikon-d7200polarizerfiltersfilter-holdercircular-polarizer

user65796

9y ago

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117

What does a circular polarizing filter do, and why is it called “circular”

polarizeropticslightfilterscircular-polarizer

Photography Stack Exchange contributor

10y ago

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130

Which high-quality 95mm circular polarizer should I buy for a Sigma 150-600mm lens?

sigmafilterstelephotolens-accessoriescircular-polarizer

Photography Stack Exchange contributor

10y ago

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178

What are the practical pros and cons of linear vs circular polarizing filters?

autofocuspolarizerlinear-polarizerfilterscircular-polarizer

Photography Stack Exchange contributor

10y ago

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121

Should I use step-up rings or buy separate circular polarizers for lenses with different filter sizes?

wide-anglestep-up-ringsfilterstravel-photographycircular-polarizer

Photography Stack Exchange contributor

10y ago

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97

Is there a quick way to move one circular polarizer between lenses with different filter sizes?

step-up-ringsfilterslens-accessoriescold-weathercircular-polarizer

Photography Stack Exchange contributor

10y ago

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113

Why does a cheap circular polarizer seem sharp at wide angles but soft at longer focal lengths?

filterssharpnesstelephotocircular-polarizerimage-quality

Photography Stack Exchange contributor

10y ago

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107

Can a dented B+W circular polarizer ring be repaired?

repairfilterscircular-polarizerfilter-ring

Photography Stack Exchange contributor

11y ago

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99

Can I mark a circular polarizer's rotating ring to show its orientation?

polarizerfiltersaccessoriestechniquecircular-polarizer

Photography Stack Exchange contributor

11y ago

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102

Can I use a 72mm circular polarizer on a 62mm lens with a step-up ring?

vignettingwide-anglefilterscircular-polarizerstep-up-ring

Photography Stack Exchange contributor

12y ago

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182

Why does a computer screen look black with some polarizers but shift blue/orange with others?

polarizerlinear-polarizerfilterscircular-polarizerlcd

Photography Stack Exchange contributor

12y ago

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78

When does poor filter homogeneity actually affect image quality?

opticsfilterssharpnesscircular-polarizerimage-quality

Photography Stack Exchange contributor

13y ago

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85

Why do some autofocus systems need a circular polarizer instead of a linear polarizer?

autofocusdslrpolarizercircular-polarizerphase-detection

Photography Stack Exchange contributor

13y ago

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151

Why do some circular polarizers lose less light than others?

opticsfilterscircular-polarizerlight-loss

Photography Stack Exchange contributor

13y ago

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111

Does a circular polarizer change starburst effects from streetlights at night?

night-photographyaperturestarburstfilterscircular-polarizer

Photography Stack Exchange contributor

13y ago

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