To Create a Point Light in Photometric Workflow

1. At the command prompt, enter lightingunits and set the value to 1 (American units) or 2 (International SI units) for photometric lighting.
2. Click Modeling tab > Render panel > Light drop-down > New Point Light.
3. Click in the drawing to specify a location for the light.
4. At the Command prompt, enter n and enter a name. This name will appear in the properties and in the Lights in Model window.

   You can continue to specify properties by entering options, or you can exit and set properties interactively. When you use the interactive method, you can see the results of your changes as you work.

5. Press Enter twice to exit the command.

   Select the light and use grip tools to change the light.

6. Right-click the light. Click Properties.