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Dfx User Guide - Tiffen.com

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292 Defog<br />

•<br />

DEFOG<br />

Description<br />

Using advanced deweathering algorithms, Defog restores clear day contrasts<br />

and colors of a scene taken in bad weather such as fog and mist. It is also<br />

successful in removing the effects of optical Fog and Diffusion filters.<br />

Before<br />

After<br />

<strong>Dfx</strong> <strong>User</strong> <strong>Guide</strong><br />

•<br />

Go to the Defog Tutorial on page 80 to see how the filter works.<br />

Category<br />

Special Effects.<br />

Controls<br />

Defog<br />

Color<br />

The Color parameter sets the color of the fog to be removed through the use of<br />

a standard color picker. The default color is white.<br />

Vanishing Point<br />

Copyright © 2008--www.iofoto.<strong>com</strong><br />

A vanishing point along the direction of increasing distance in the image is used<br />

to remove fog. By default, the vanishing point is set to the center of the screen.<br />

Essentially, the fog is removed in a radial pattern emanating from the vanishing<br />

point. So at the default center position, fog is removed in a circular pattern with

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