The Image File blend node is used to import an external image file for compositing (figure 1). 


Image File




Figure 1: An Image File Output AOV node blended over a series of Render AOV nodes


Image File Parameters

Enabled - Determines whether the image file is active or not.

Color Space - Sets the color space for the imported image. 

Premultiplied Alpha - Determines whether the RGB channels have been premultiplied by the alpha channel. 

Blending Settings - Determines the blending mode for the imported image.