Variable Density ND Filters???????

Discussion in 'Medium Format Cameras and Accessories' started by ruilourosa, Sep 2, 2011.

  1. ruilourosa

    ruilourosa Member

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    Hello

    I saw these filters cheap on *bay are they worth it?

    thanks

    Rui Lourosa
     
  2. Pgeobc

    Pgeobc Member

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    A better solution might be one of the old style add-on iris diaphragms.
     
  3. olwick

    olwick Member

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    They're worth it if you are using an in camera meter. Note that you can also make your own by using two old linear polarizers stacked on top of each other.
     
  4. 36cm2

    36cm2 Member

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    My understanding is that they're intended for D!g!tal SLR users making HD videos. It allows them to adjust exposure quickly while zooming, changing environment, changing aperture to adjust depth of field, without having to change iso. Purely anecdotally, I've heard the cheap ones have erratic light transmission issues such as banding and vignetting.

    Thanks,
    Leo