Specify light and material accuracy, and duration for rendering.
The Render Quality Settings dialog displays.
Lighting and materials are approximated and shadows lack details. This setting is appropriate for draft or preview renderings.
Lighting and materials are accurate. Soft shadows and soft reflections from semi-rough materials will be rendered with a high quality level. This setting is appropriate for high quality renderings.
Drag the slider control or enter a level value from 1 to 40. The higher the level value, the longer the rendering time.
Specify the amount of time in minutes to render the image. This setting is helpful if you are limited on time or have a specific deadline.
The image will be rendered progressively until you click Stop.