Controls the brightness level of the viewport when using photometric lighting.
| Type: | Real |
| Saved in: | Drawing |
| Initial value: | 65.0 |
Controls the brightness level of the viewport when photometric lighting is enabled (LIGHTINGUNITS system variable is set to 1 or 2). Valid values range from 0.0 to 200.0. The brightness level in standard lighting can be controlled by the LINEARBRIGHTNESS systems variable.