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True Variable Blur

True Variable Blur (Effect)Original Image

This filter requires Filter Forge 3.0

This filter does not support seamless tiling.


Variation 1Variation 2Variation 3Variation 4Variation 5Variation 6Variation 7Variation 8

This is one of over 5964 effects generated by Filter Forge, a Photoshop plugin that allows you to create your own filters.

This effect:

  • can be easily altered;
  • offers up to 30,000 variations;
  • can be applied to any source image in Photoshop.

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To open this filter, you must have Filter Forge 3.0 or higher installed on your computer. If you don't have it installed yet, click here to download Filter Forge

Author: Sphinx.

Filter Details

  • Editor's Pick
  • Downloads: 3734
  • Requires Filter Forge 3.0
  • Submitted: Jan 06, 2013
  • Usage Rank: Low
  • Comments (13)


No more multiple blur hacks - this filter gives you fully dynamic radius control when blurring. Use the filter as is or dig into the guts and copy the few essential parts for use in your own filters. The custom radius map is active when the Radius Map Selector is set to 11.Note that the method only works with box blur (i.e. non gaussian). Credits goes to inujima for laying the ground for this method.


Variable Blur Focus, Variable Radius, Radii, Map Radius, DOF, Depth of field, Tilt Shift, SAT, Summed Area Table, Box Blur, Script, Lua, Snippet

Filter Controls

  • Max Radius
  • Min Radius
  • Radius Map Selector
  • Custom Radius Map
  • Radius Map Thumbnail