Spotlight, Area Light, Multi Sampling and Depth of Field

Figure-1: Dragon model rendere with spotlight

Figure-2: Rendered dragon model with spothlight and multi sampling enabled with 100 samples

Figure-3: Depth of Field Effect

Figure-4: Point light in a scene with two glass plates and multi sampling

Figure-5: Area light in a scene with two glass plates and multi sampling

Figure-6: Area light in a scene with one glass plate and one metal plate and multi sampling. Note that in metal plate effect of glossy reflection is applied