RUSH MH 4 — Beam reducers
Written by Peter Stauber
Updated at January 14th, 2026
Question:
What is the beam angle of the MH 4 when you add the different beam reducers on the gobo wheel?
Answer:
| Beam Reducer in gobo wheel | Spot at 10m | Field Angle |
| Φ1.5 mm | Φ 0.15 m | 0.9︒ |
| Φ4 mm | Φ 0.33 m | 1.9︒ |
| Φ5 mm | Φ 0.40 m | 2.3︒ |
| Φ7 mm | Φ 0.56 m | 3.2︒ |