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title: "Raw Refraction Filter"
canonical: "https://documentation.chaos.com/space/VRAYHOUDINI/113281562/Raw%20Refraction%20Filter"
format: markdown
---
This page provides information about the Raw Refraction Filter Color Channel in V-Ray for Houdini. 


## **Overview**

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## **Usage Examples**

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The **Raw Refraction Filter** Color Channel is useful when a precise mask is needed for refractive objects. Unlike the [Refraction Filter Color Channel](https://docs-chaos.atlassian.net/wiki/spaces/VRAYHOUDINI/pages/113281117), there is no need to clip or readjust values when pure black or white is required for the composite.