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Old Apr 24, 2009, 4:09 PM   #21
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Use of protective filters (e.g., UV/Haze) tends to be a hotly debated subject. I'm in the "don't use 'em" category. I do use a lens hood (which can help to prevent damage to a lens).

As for your polarizer, keep in mind that you'll lose around 2 stops of light with one (depending on how it's rotated), which means that only about 1/4 of the light gets through to the camera's AF sensors (as well as your viewfinder and imaging sensor). So, a polarizer can negatively impact AF speed, as well as slow down the shutter speeds needed for proper exposure.

IOW, even if you're using a superb quality polarizer, it's a good idea to remove it in less than optimum lighting. A circular (versus linear) polarizer is preferred for best compatibility with modern Autofocus Systems.

As for brands, B+W filters are well liked.

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Old Apr 24, 2009, 5:38 PM   #22
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i thinki may as well just shoot without them



thanks again



Dave

ps still like the features i saw last night with the nikon d90 and canon 50d
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Old Apr 24, 2009, 10:30 PM   #23
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dafiryde wrote:
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i was convinced it was a problem, when last weekend my wife was taking a picture with me in it , and i have never really complained to her about the the length of time it takes,and she said she is pressing the shutter button and nothing is happening and i was laughing inside cause i know to myself the button is waiting on focus lock



Dave

hey Jim

when my wife got home this evening, i gave her the camera and told her to take a picture of me, it wasindoor, low lighting, no flash., her responce was "so what is this now , you went and bought another camera" i asked her why she asked that, her responce was " cause this one taking the picture right away " i smiled and said a pray for you.



Dave

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Old Apr 25, 2009, 12:43 AM   #24
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What a great result!

I have also had problems with filters degrading image quality for my particular lenses, so I don't use filters anymore either as a general policy.

Different if you are going into genuinely hostile conditions of course.
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Old Apr 25, 2009, 8:04 AM   #25
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peripatetic wrote:
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What a great result!

I have also had problems with filters degrading image quality for my particular lenses, so I don't use filters anymore either as a general policy.

Different if you are going into genuinely hostile conditions of course.
i made up my mind yesterday , even if going into genunely hostile conditions or not, it is cheaper to replace a lens rather than replacing your sanity



Dave
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