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Thread: Using ND filters

  1. #1
    Senior Member
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    Default Using ND filters

    Hi Guys,

    Just tried using a GND filter to capture our merlion. I managed to extend the shutter speed to 6 secs so that the water flow from the merlion looks silky. However, the sky turns purple due to the filter. How do I overcome that? Thanks

    Here's the pic:

  2. #2
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    Default Re: Using ND filters

    Lovely photo!
    From what I have seen this is characteristic of GND filters because of the gradiated effect on the exposure. In the "darker" region of the filter you will get a more normal exposure of the sky (hence the blue), and the "lighter" transition phase of the filter will gradually over-expose the sky making it so light. Appart from layering in photoshop, I'm not sure what you can do here. Did you use a hard or soft GND?
    Cameras: Rollei 35, Rolleiflex-T, FinePix F700, Nikon D60, D300
    Pics: Churchwolf's Album.

  3. #3

    Default Re: Using ND filters

    wahhhh ... so nice leh. didnt know u into landscape leh.

  4. #4

    Default Re: Using ND filters

    Quote Originally Posted by Churchwolf View Post
    Lovely photo!
    From what I have seen this is characteristic of GND filters because of the gradiated effect on the exposure. In the "darker" region of the filter you will get a more normal exposure of the sky (hence the blue), and the "lighter" transition phase of the filter will gradually over-expose the sky making it so light. Appart from layering in photoshop, I'm not sure what you can do here. Did you use a hard or soft GND?
    yea I believe it's because it is a Graduated ND, meaning the shade of the filter coat changes across the filter gradually. maybe you could try ordinary ND filters?

  5. #5

    Default Re: Using ND filters

    Wow nice pic.. did u use a Cokin Grad ND?

  6. #6
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    Default Re: Using ND filters

    You can add a grad blue filter. Or you can cool your color temp.

    BTW, you may want to get lower speeds so that the water surface bcomes glassy. Like 15 sec.

  7. #7
    Senior Member
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    Default Re: Using ND filters

    Thanks guys..

    I'm using the cokin filter holder and a cheapo china made GND from OP.
    Will try 15 secs next time when got chance.. any wanna join me?

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