MFL, WFL a NSP jsou zkratky pro velikost světelného paprsku.
| Description | Code | Typcal MR16 Beam Angle | Typical PAR Beam Angle |
| Very Narrow Spot | VNSP | <7 degrees | <15 degrees |
| Narrow Spot | NSP | 5-15 degrees | 15-30 degrees |
| Spot | SP | 16-22 degrees | 30-60 degrees |
| Narrow Flood | NFL | 23-32 degrees | 60-90 degrees |
| Flood | FL | 32-45 degrees | 90-120 degrees |
| Wide Flood | WFL | 45-60 degrees | 120-160 degrees |
| Very Wide Flood | VWFL | >60 degrees | >160 degrees |