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Old Feb 4, 2007, 12:58 PM   #1
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Hi Folks,

I have this query regarding the use of CP Filter.

Can I use it as my "always on" filter ? Do I have to
set exposure compensation or it will just sit there
and act as the normal "front element protecter" if I
don't want to actually use the polarization feature ?

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Old Feb 5, 2007, 12:58 AM   #2
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I don't think anyone would recommend it, esp. since it can darken the image. Also for each shot you'd have to adjust the polarizer to cancel the effect for shots you don't want the effect in. To me the minor nuissance of having to attach a polarizer is much less trouble than to have to adjust it for each shot.
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Old Feb 5, 2007, 5:27 AM   #3
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No need to make low-light situations any more difficult than they already are. Get a UV filter if you're concerned about lens protection.
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Old Feb 5, 2007, 5:29 AM   #4
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I agree that a UV is the way to go
I just standardised to 72mm
and have a 72mm UV for every lens

RIley
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Old Feb 5, 2007, 6:41 AM   #5
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Thanks folks ... I was actually thinking of getting a CP filter.

All three of my lenses have the UV filter attached always ...

The only doubt was that would I have to take off the UV one
when I have to use CP filter. Your inputs have made the point
a lot clearer.

Thanks again.

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Old Feb 5, 2007, 6:52 AM   #6
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im not sure what the stop penalty for CP is, my linears are 1 2/3 to 2 stops
to my mind thats a crippling penalty because I need to shoot indoors a lot
that would be my prime consideration

Riley
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Old Feb 5, 2007, 11:42 AM   #7
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gaggu wrote:
Quote:
Thanks folks ... I was actually thinking of getting a CP filter.

All three of my lenses have the UV filter attached always ...

The only doubt was that would I have to take off the UV one
when I have to use CP filter. Your inputs have made the point
a lot clearer.
Well, you should remove the UV if you want the clearest images when using the CP...why have an extra layer of unnecessary glass?
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