Photography Stack Exchange
Photography Stack Exchange

Questions tagged [polarizer]

a type of filter used to reduce oblique reflections and increase color saturation

Polarising filters are used to reduce reflections and thus increase saturation. They make clear skies darker and bluer. They have greatest effect when pointing the camera in a direction perpendicular to the sun. They come in two types: linear and circular. Linear polarisers are unsuitable for cameras with autofocus systems.

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What is this triangle indicator on my circular polarizing filter?

I bought a circular polarizing filter, to take some shots of people on a balcony with a city skyline behind them on a bright-but-cloudy day. However, I've never used a CPL before and don't know what I'm doing — I'm s so far just rotating the filter…
Mason
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Can looking at a computer screen show the difference between linear and circular polarizing filters?

About the difference between linear and circular polarizing filters (quite well developed on this Q&R): What is the effect of placing those filters in front of a computer screen? I have seen two behaviors : The computer screen (through the…
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How does a polarizing filter work?

I know what a polarizer does to the light, and how it works technically (filtering out some of the oscillation directions of the electromagnetic radiation), and also how this affects pictures (removing or enhancing reflected objects, and providing a…
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Polarizing filter works only by rotating camera

I have an olympus E-PL1 mirrorless camera. I recently got a Hoya HD circular polarizer for use with a wide angle lens. Using it, I initially found that there was no varying polarizing effect as I turn the ring, irrespective of my orientation to the…
DSingh
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What type and size of polarizing is needed for a Canon Rebel T4i

Possible Duplicate: How do I find the right size of filters for a lens? I am in the process of buying a new camera. I am getting 18-55mm lens and a 55-250 lens what size of polarizing lens do I need?
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In what type of conditions do I use a polarizer on a 300mm lens?

I found the questions relating to polarizers, but haven't found any info on a 300mm zoom lens with a polarizer. Is this because it is not suggested to be used on 300mm zoom lenses? I use this lens to do close-ups indoors and outdoors with a tripod.…
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What's the right size of Polarizer and how do I know if it works with my camera?

I've just recently joined the world of photography with a DSLR camera and need some help. I was looking into polarizer filter lens and they come in different sizes, how do I know which one fits my camera? I have a Canon EOS Rebel T5i with a 18-55mm…
Sarah
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Would a polarizer filter work on the ipad camera to stop screen glare reflections on eyeglasses?

Would a polarizer filter work on the ipad camera to stop screen glare on eyeglasses? Or would screen glare reflections still be present on the eyeglasses?
Agent Zebra
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