The Houdini plugin can use the native Houdini camera to render the Redshift scenes. The basic camera parameters are extracted from the Houdini camera node, but the plugin has a set of custom camera properties that can be added as spare parameters by selecting the camera node and clicking the CamParms icon in the Redshift toolbar. There is also a command to remove these spare parameter from the selected objects if needed.
In the Redshift camera spare parameters you have all the options to configure all the additional Redshift camera settings not available in the Houdini camera node:
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Options to get the camera projection from the Houdini node, or to select the Redshift fisheye, cylindrical or stereo cameras.
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All the DOF settings
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All the settings related to the Redshift photographic exposure feature
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Enable a distortion map