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Old Dec 21, 2011, 11:36 AM   #1
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Default circular polarizer filter

got this as part of purchase bundle with my t3i - when and what circumstances would I use it? Is there a newbe tutorial on filters?

thanks
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Old Dec 21, 2011, 11:41 AM   #2
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They can be used for couple of things. It can reduce reflection, turn the sky more blur, or increase reflections.

Here is a quick youtube on how to use some of the basics of a cpl.

http://www.dslrtips.com/workshops/Ho...blue_sky.shtml
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Old Dec 21, 2011, 12:27 PM   #3
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Popular Photography had a nice write-up on CPLs a while back. It is available here: http://archive.popphoto.com/pdfs/200.../Polarizer.pdf FWIW
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Old Dec 21, 2011, 12:29 PM   #4
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So does WikiPedia: http://en.wikipedia.org/wiki/Polariz...r_(photography)
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Old Dec 21, 2011, 1:10 PM   #5
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Some additional information to add to what others have suggested.

http://www.cambridgeincolour.com/tut...ng-filters.htm

Regards
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Old Dec 29, 2011, 10:31 AM   #6
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If you think of them like polaroid sun glasses they take the glare off of water and darken the sky. they are best used when the sun at 90 degrees to the lens
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