Lighting and Rendering [2] Arnold Part 18: Photometric Lights

aiPhotometricLightShape | Attributes: Exposure- 6.0; Samples 3.0; Radius 3.0; Cast Volumetric Shadows OFF

aiPhotometricLightShape | Attributes: Exposure 7.0. 

Render Settings | Sampling: Camera (AA)- 5.0; Diffuse 4.0; Specular- 2.0; Transmission- 1.0; SSS- 0.0; Volume Indirect- 0.0