Manfrotto Convertible Boom/Stand 420 - Steel w/Sand Bag (#3399)

Manfrotto : Picture 1 thumbnail Manfrotto : Picture 2 thumbnail

List Price: $279.00

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Manfrotto : Picture 1 regular $243.99

About Manfrotto

Features a steel base and column with aluminum risers. Can be rapidly converted into a stand with boom arm. The pivoting collar on the stand allows the top two extensions to be tilted for use as a telescopic boom arm. Supplied with a refillable counterweight for maximum stability. Attachment: 5/8" receiver and 5/8" stud with 1/4-20" and 3/8" threaded tips.

Manfrotto Specifications

Maximum Height
154.3 inches
Minimum Height
51.6 inches
Maximum Load Capacity
26.4 lbs
Closed Length
44.5 inches
12.3 lbs
Footprint Diameter
43 inches
Boom Length
Max. Ext. 75.2 inches
Boom Load
Max. Ext. 11 lbs (with Counterweight)
Mfr #

Reviews about this item

Reviewed by 1 customers

(2 of 2 customers found this review helpful)


Great product!


from Boston, MA  -  Semi-Professional

I bought this after trying lots of different setups for getting the softboxes just right. This was easy to setup and holds the softbox right over the product for great even lighting. Solid build.


Questions & Answers Powered by TurnTo®

Questions about this item:

Shopper  Whenever I attach a light to the spigot, it keeps rotating downward with the weight of the light. Has anyone had/solved this?
JOHN H  Mine is supporting an Alien Bee B800 and a 24x36 Softbox without difficulty. Is the weight of your lighting gear within the 11 lb maximum boom load limit?
Shopper  what is the height of the stand with the boom extended? is it tall enough to use as a hair light for a standing subject?
Andrew R  Maximum height of the stand is 154" the boom has a maximum extension of 75".
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