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Thread: Anyone tried fog effect filter?

  1. #1

    Default Anyone tried fog effect filter?

    Hi

    Anyone of you have use these filter (or similar) before? I am thinking to use them to create fog in landscape. I don't think we have lots of fog in Sg.


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    tks alot in advance

  2. #2

    Default Re: Anyone tried fog effect filter?

    interested to know about these filters too, have not used one before, but just curious, would it be easier to create fog in post processing instead? i guess post processing may give much more flexibility about the strength of fog etc.

    and another thing about fog is that, in real world, the scene nearer to you should be clearer than those further away, can these filters recreate this? or it just add the fog uniformly across the picture? or do we have a "graduated fog filter" for this purpose?

  3. #3

    Default

    Quote Originally Posted by miaoteh
    interested to know about these filters too, have not used one before, but just curious, would it be easier to create fog in post processing instead? i guess post processing may give much more flexibility about the strength of fog etc.

    and another thing about fog is that, in real world, the scene nearer to you should be clearer than those further away, can these filters recreate this? or it just add the fog uniformly across the picture? or do we have a "graduated fog filter" for this purpose?
    Definitely post processing will give you more flexibility. About your description that using a fog filter will makes near object clearer and further object more foggy. Are you able to confirm it? Doesn't seems to me that such effect can be created with a 2D filter.

    But your concept of depth can be simulated in software using A simple mask with different amount of opacity at different areas to simulate real foggy scene. Pretty manual though.
    Last edited by David Kwok; 17th October 2011 at 08:17 PM.
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  4. #4

    Default Re: Anyone tried fog effect filter?

    Quote Originally Posted by David Kwok View Post
    Definitely post processing will give you more flexibility. About your description that using a fog filter will makes near object clearer and further object more foggy. Are you able to confirm it? Doesn't seems to me that such effect can be created with a 2D filter.

    But your concept of depth can be simulated in software using A simple mask with different amount of opacity at different areas to simulate real foggy scene. Pretty manual though.
    i didn't say that the filter can create such effect, i was just saying in real world the REAL fog should be like that
    Last edited by miaoteh; 17th October 2011 at 08:31 PM.

  5. #5

    Default

    Quote Originally Posted by miaoteh

    i was saying in real world the REAL fog should be like that
    Okay I may have mistaken. If you are referring to simulating real fog, then I guess masking is your best bet.

    I have never heard of or came across filters able to do that. Perhaps what you need is the kinect to help you generate a distance 2D mask which you can apply over the image.

    Another approach is take you own reading of the distance between your camera and the focus point and make your own 2D gradient mask. I don't think you need a real and concise fog. Besides I highly doubt the audience can differentiate. The equation to generating your own mask is not very hard, just need to apply inverse law when you draw up the mask. Light falls off inversely to the distance it travels, in the fog, the fall off is a lot more pronounced.

    Just a poor man's solution for you to consider.
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  6. #6
    Senior Member Kit's Avatar
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    Default Re: Anyone tried fog effect filter?

    Hide in an air-conditioned space for long enough and get out..... its free


  7. #7

    Default Re: Anyone tried fog effect filter?

    Quote Originally Posted by Kit View Post
    Hide in an air-conditioned space for long enough and get out..... its free

    or the cheap way out... huff your breath onto the lens on a rainy day

  8. #8
    Senior Member sinned79's Avatar
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    Default Re: Anyone tried fog effect filter?

    actually... such special effects most of the time u will not really use it... unless u want to make this as your personal style shoot, for me i will probably use once or twice, the most thrice, and i will get sick of it

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