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Old Mar 4, 2004, 12:09 PM   #1
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Default UV filter over Polarizer

Howdy, I just got my new circular polarizer today, and I was wondering if placing my U.V. filter over my polarizer would effect the outcome of the polarizer in any way.
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Old Mar 4, 2004, 12:42 PM   #2
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I donít think it will. You might end up with some vignetting at wide angles though.

Other than protecting the polarizer I see no reason to do it. A polarizer is usually a pretty good UV filter.
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Old Mar 5, 2004, 11:28 AM   #3
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Default Re: UV filter over Polarizer

Quote:
Originally Posted by huckle
Howdy, I just got my new circular polarizer today, and I was wondering if placing my U.V. filter over my polarizer would effect the outcome of the polarizer in any way.
I do that on a Z1 & it works fine with no vignetting.

Due to laziness I sometimes screw the wide angle onto the filter
which does vignette a tiny bit.

Chris
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Old Mar 5, 2004, 11:39 AM   #4
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Default Re: UV filter over Polarizer

Slipe is correct. Any piece of glass will act as a UV filter, and your polarizer is already one...

Why do you need another UV on top of it? :?
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Old Mar 5, 2004, 5:46 PM   #5
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Just because from time to time I might not want to use the polarizer, and the uv filter is still right there. It's nothing big, just a quick question.
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Old Mar 6, 2004, 8:52 AM   #6
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You might want to take it off (kind of inconvenient), but any more glass which is not needed just has more potential for flare (ie internal reflection between the different layers), and also lost of contrast which may or may not be critical to some people...
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Old Mar 6, 2004, 6:15 PM   #7
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Also your polorizer is cutting down on the available light to the camera Try a shot with it, then try it without you will see a difference....
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Old Mar 8, 2004, 9:01 AM   #8
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I find reasonable to have the UV or Skylight filter always on and when needed I screw aditional filter, e.g. polarizer. I'm using this setup. I believe this can protect the front element of the lens and lens' thread.
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