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The extension attributes provided on camera nodes refine the projection options for the camera. Note that all the available projections only work with the path tracer render engine.
The extension attributes of a camera node.
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Specifies a field of view, in degrees. Depending on the Projection Type, it may supplement or replace the camera's Angle of View standard attribute (which has a maximum value of less than 165 degrees) - see – see the table above for details. The 'Spherical' projection type implies a field of view of 360 degrees; the Filed Field of View attribute becomes insensitive when this projection type is selected.
Lens Shader
This attribute can be connected to a user-defined lens shader. Although the lens shader must be written in OSL, it can be used for rendering with both the pre-release 3Delight OSL renderer and the regular 3Delight renderer.
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| The Lens Shader attribute will remain insensitive unless 3Delight for Maya has detected, when the plug-in is initialized in Maya, at least one user-defined OSL shader that is classified as a lens shader. For details about user-defined OSL shaders, please see this page. |