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Increase ProMist Effect in Post?


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#1 Tim Nuttall

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Posted 02 January 2008 - 06:57 PM

Hi all,

Is it possible to intensify the effect of say a ProMist filter in post during telecine? What if the image already has a ProMist, but it is of a lower strength?

Thanks.
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#2 Adrian Sierkowski

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Posted 02 January 2008 - 07:00 PM

I'm going to tenetively say kind-of. A lot of the telecine's iv'e seen have filter effects built in. I know i was able to throw on a silk filter effect in post and also that tiffen just came out with digital versions.
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#3 David Mullen ASC

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Posted 02 January 2008 - 07:01 PM

Hi all,

Is it possible to intensify the effect of say a ProMist filter in post during telecine? What if the image already has a ProMist, but it is of a lower strength?

Thanks.


You can increase halation by overlaying an image with a Gassian Blur over the sharp image, which gives you more of those glowy effects on highlights. The most tricked-out DaVinci's have this effect in their Color Toolbox -- it is true diffusion, not defocusing. There are other color-correction software that does this but not every DaVinci suite will be set-up to do this. I don't know if a typical DaVinci suite could take a defocused pass or one where a luminence key is defocused, and layer it back over a sharp version of the same shot.

Tiffen also put a ProMist effect in their affordable digital filter package so perhaps you can do it yourself with a computer.
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#4 Phil Rhodes

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Posted 02 January 2008 - 07:12 PM

...and in some telecines, you could actually put a filter in the gate.

It's now trivial to do promist style effects in even fairly modest postproduction software.

Phil
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#5 David Mullen ASC

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Posted 02 January 2008 - 08:52 PM

...and in some telecines, you could actually put a filter in the gate.


Trouble with that is that you get halation around the blacks, not the whites, because it's a piece of negative that you're shining light through.
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