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Dfx User Guide - Tiffen.com

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346 Ice Halos<br />

•<br />

ICE HALOS<br />

Description<br />

Ice halos are created when small ice crystals in the atmosphere generate halos<br />

by reflecting and refracting light. Most notably, circles form around the sun or<br />

moon as well as rare occurrences when the entire sky is painted with a web of<br />

arcing halos.<br />

Before<br />

After<br />

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

•<br />

Go to the Ice Halos Tutorial on page 113 to see how the filter works.<br />

Category<br />

Light.<br />

Controls<br />

Light<br />

Blend<br />

Determines the blend mode to be used to add the ice halo.<br />

Add<br />

The ice halo is added to your image.<br />

Screen<br />

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

The ice halo is <strong>com</strong>bined with the image using a Screen blend mode. This looks<br />

kind of like the Add blend mode, but highlights are retained.

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