The left hand side of our sphere is a little darker, and if this was a character’s face, we may want to brighten it up a bit. Not every HDRI image has a sun though, and depending on which map you use, you may not even see such a hotspot in your renders. Alternatively you can move the Iray Dome to move that hotspot (under Render Settings – Environment – Dome – Dome Rotation). As you turn the camera around, the hotspot moves. This is the sun’s hotspot from the HDRI image map.
Notice that there is a small specular highlight on the sphere, on the left hand side (a small shots spot).
The default lighting for a new DAZ Studio Iray scene comes with a small HDRI image applied by default, and when we render our scene, we can see the effects of that light source.
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