| Option Category | # # CORE VECTOR OPTIONS # |
| Description | This option sets the minimum width of the beam used in a vector based system. MAME will decide the actual width draw by it's intensity but it will remain between this and the maximum value set. |
| Full Command | -beam_width_min <file> |
| Alt. Command | none |
| Reverse Command | none |
| Example | mame64.exe starwars -beam_width_min 0.75 -beam_width_max 2.5 |
| mame.ini Command | beam_width_min |
| Command Default | 1.0 |
| Argument Format | <float> |