Dfx User Guide - Tiffen.com

Gels
Photographers, cinematographers and lighting designers use colored filters or
gels in front of lights. We have created digital equivalents of the lighting gels
and these same exact colors can be applied to the entire image or inside a
gradient. In cooperation with Gamproducts and Rosco, we have created digital
versions of their popular gels.
1 Apply one of the GamColor or Rosco Gels from the Gels category.
2 Try out some of the presets.
3 If the Parameters window is not showing, click the Parameters tab at the bottom
of the Presets window.
Filter Tutorials 99
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4 Adjust the Gels > Opacity, Preserve Highlights and Exposure Compensation
sliders to your liking.
The selected gel can be applied through a gradient creating a graduated
transition between the colored portion and the original image.
5 Click on the Grad > Enable checkbox to activate the Grad.
6 Adjust the Grad > Direction, Corner Points and Size.
To adjust the Corner Points, just click and drag them to the desired location.
Go to the Grad section of Common Filter Controls on page 253 to see how the
Grad controls work.
7 Click the Done button to apply the filter to your image.
See the Gels filter on page 321 for more information.
Dfx User Guide
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