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<th colspan="3" align="center">8.2. Apply Lens</th>
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<th width="60%" align="center">8. Glass Effects filters</th>
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<h3 class="title"><a id="plug-in-apply_lens"></a>8.2. Apply Lens</h3>
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<h4 class="title"><a id="id2976954"></a>Overview</h4>
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This filter is found in
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<span class="guimenuitem">Image>Filters/glass-effects/Apply <span class="accel">L</span>ens</span>
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After applying this filter, a part of the image is rendered as through a spherical lens.
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<h4 class="title"><a id="id2976984"></a>Options</h4>
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<span class="term">Parameters setting</span>
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<li><span class="guilabel">Keep original surrounding</span>: The lens seems to be put on the
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<li><span class="guilabel">Set surroundings to Background color</span>: The part of the image
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outside the lens will have the Background color selected in Toolbox. This can
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be a transparent background.
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<li><span class="guilabel">Lens Refraction Index</span>: Lens will be more or less convergent (1-100).
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<td width="40%" align="right" valign="top"> 8.3. Glass Tile</td>