To change the sun disk properties
- Click Render tab System panel Autodesk Rendering .
- Click the Environments tab, go to the Sun panel, Sun Disk Appearance section.
- Move the Disk Scale slider to adjust the scale of the sun disk.
- Move the Glow Intensity slider to adjust the sun glow.
- Move the Disk Intensity slider to adjust the intensity of the sun disk.
Tip: Selecting the Render Sky Illumination check box turns on the sun effect in the Scene View.