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June 09, 2026

For complex top lighting or shooting over obstacles, standard stands won’t cut it. That’s where jib arms (booms) come in. But keep in mind — each model has its own safe working load, which drops sharply as you extend the arm. Let’s break down three types: the junior, the megaboom, and the mini-boom. 

1 . Avenger D650 (Junior Boom)

Max specs:
Folded: holds up to 40 kg
With a 3 m extension: only 10 kg (not including counterweights)

Джуниор бум

Two-person setup

How to set up the Junior Boom:
• One person holds the arm, the other adds counterweights until lifting feels effortless.
• Loosen the screw and fine-tune the balance. 
• Raise the arm using the windup handle (winch).

! Important: The winch itself has a max load capacity of 30 kg (boom + all weights + fixture). Raise the arm using the windup — just turn the handle.
Подъем виндапа

Raise the windup, turn the handle

Always secure your fixture with a steel safety cable attached to the eyelet on the arm.

Key limitation: Up to 40 kg in the overhead position is only possible at the minimum extension.

 

2. Manfrotto Megaboom (Megaboom)

МегабумMegaboom

 

The largest boom in the rental fleet — but paradoxically, it’s weaker than the junior.

At max extension (3.2 m): max load 6 kg
At minimum extension: up to 30 kg.

Features: Articulated joints for smooth movement in three axes (pan, tilt, rotation).
Шарниры

Stoppers

! Critical warning:

The Megaboom won’t tip over if unbalanced — which creates a false sense of safety.

Do not compensate for imbalance by tightening locks — this damages the equipment.

All wheeled stands (including the Megaboom’s windup base) must have their wheels locked.

3. Avenger 600 (Mini-Boom)

Минибум

Mini-Boom

Shorter than the junior — max extension just over 2 m

Load capacity:
At minimum extension: up to 30 kg
At full extension: no more than 7 kg

There’s a hook on the rear end for counterweights.

Requirement: All three legs must be secured with sandbags or locked brakes.



Балансировка

Proper balancing — key takeaways

• The longer your reach, the lighter your fixture must be.

• Balance using counterweights only — never by tightening locks. The latter is dangerous and damages gear. 

• Overloading will result in a penalty from the rental.

 When in doubt about stability, call over a teammate or check with your rental manager.

This material is provided by the team at Kinoarenda (Saint Petersburg).
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