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Thread: Issues facing in CPL filter +UV

  1. #1

    Default Issues facing in CPL filter +UV

    Hi guys,

    I am using Tamron 17 70 2.8.

    I got 2 filters ..1) 67 hoya UV(N). 2) Tokina CPL 67 mm.

    Now the problem is if i put both filter one on top of other i see the dark corners in the pictures. i though i might be arranging them in wrong order but swapping order prodce same results.

    Do u guys put both filter or just one as per need ?

    I am posting sample pic to make the issue more clear..
    Life is cool :)

  2. #2

    Default Re: Issues facing in CPL filter +UV

    Don't stack filters; you'll get vignetting (dark corners).

  3. #3
    Senior Member zac08's Avatar
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    Default Re: Issues facing in CPL filter +UV

    Quote Originally Posted by prakasom View Post
    Hi guys,

    I am using Tamron 17 70 2.8.

    I got 2 filters ..1) 67 hoya UV(N). 2) Tokina CPL 67 mm.

    Now the problem is if i put both filter one on top of other i see the dark corners in the pictures. i though i might be arranging them in wrong order but swapping order prodce same results.

    Do u guys put both filter or just one as per need ?

    I am posting sample pic to make the issue more clear..
    Use either or... dun use them together...

    there is no point doing so.
    Michael Lim
    My Flickr Site

  4. #4
    Senior Member yyD70S's Avatar
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    Default Re: Issues facing in CPL filter +UV

    Just a simple case of vignetting due to stacking of filters.

    If I need the CPL, I'll remove the protection filter.

  5. #5

    Default Re: Issues facing in CPL filter +UV

    here the sample shot..
    Life is cool :)

  6. #6

    Default Re: Issues facing in CPL filter +UV

    I also have this problem even when i stack my slim CPL on top of my UV filter.

    If I want to shoot wide with CPL i would remove my UV filter first before putting my CPL on
    If i dont have to shoot wide, then i'll stack the CPL on the UV and zoom in till no vignetting occurs.

    I'm thinking of changing my UV filter to slim type, so when i stack my slim CPL my vignetting issue might be solve.
    Any fellow CS doing this?? Will it help?

  7. #7
    Moderator Octarine's Avatar
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    Default Re: Issues facing in CPL filter +UV

    Remove the UV, period. Stacking filters calls for vignetting.

  8. #8

    Default Re: Issues facing in CPL filter +UV

    Wow!!!! thanks alot guys for ur value inputs..i wasted an hour to dig this problem that stacking is causing issue. but wanted others experiences..thanks again..
    Life is cool :)

  9. #9
    Moderator Octarine's Avatar
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    Default Re: Issues facing in CPL filter +UV

    If you like to know more about the Physics behind: http://toothwalker.org/optics/vignetting.html
    Do also read about flare and lens hoods, these topics are often discussed together with filters.

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