Extend the second riser of this Manfrotto 420NSB Combi-Boom Stand to its maximum, press a lever, and you have a stand with a two section boom arm. When used as a boom stand, this black aluminum stand's maximum load is 11 lbs (5 kg), strong enough for a small light fixture with a small softbox or umbrella. At minimum extension as a stand, its weight capacity is 19.8 lbs (9 kg).
Bogen's old catalog number was 3389B.
| Minimum Height | 51.5" (1.3 m) |
| Maximum Height | 12.8' (4 m) |
| Closed Length | 44.5" (1.13 m) |
| Footprint Diameter | 43" (1.3 m) |
| Weight | 6 lbs (2.7 kg) |
| Maximum Load |
Stand: 19.84 lbs (9 kg) At maximum extension: 1.98 lbs (0.9 kg) w/o optional counterweight |
| Attachment Size | 5/8" male stud |
| Accepts Wheels | Yes- (018) |
| Air Cushioned | No |