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SmallRig Magic Arm Support with Dual Ball Heads with 1/4"-20 Screws 3873

SmallRig Magic Arm Support with Dual Ball Heads with 1/4"-20 Screws 3873
SmallRig Magic Arm Support with Dual Ball Heads with 1/4"-20 Screws 3873
SmallRig Magic Arm Support with Dual Ball Heads with 1/4"-20 Screws 3873
SmallRig Magic Arm Support with Dual Ball Heads with 1/4"-20 Screws 3873
SmallRig Magic Arm Support with Dual Ball Heads with 1/4"-20 Screws 3873
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SmallRig Magic Arm Support with Dual Ball Heads with 1/4"-20 Screws 3873
SmallRig Magic Arm Support with Dual Ball Heads with 1/4"-20 Screws 3873
SmallRig Magic Arm Support with Dual Ball Heads with 1/4"-20 Screws 3873
SmallRig Magic Arm Support with Dual Ball Heads with 1/4"-20 Screws 3873
SmallRig Magic Arm Support with Dual Ball Heads with 1/4"-20 Screws 3873
SmallRig Magic Arm Support with Dual Ball Heads with 1/4"-20 Screws 3873
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132.25ê
Ex Tax: 115.00ê
  • Stock: In Stock
  • Brand: SmallRig
  • Model: Arm
  • SKU: 3873
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SmallRig 3873 Magic Arm with Dual Ball Heads

Dual Ball Heads | 5.5kg Load Capacity | 1/4"-20 Mounting | Center Lock

Why Choose the SmallRig 3873 Magic Arm?

The SmallRig 3873 Magic Arm with Dual Ball Heads provides a practical and flexible solution for mounting monitors, viewfinders, lights, microphones, and other compatible camera accessories. Featuring two adjustable ball heads, standard 1/4"-20 mounting screws, anti-twist locating pins, and a center locking lever, the arm delivers secure accessory positioning with a maximum rated load of 12.1 lb / 5.5 kg.

Dual Ball Heads 5.5kg Capacity 1/4"-20 Mounting 88g Lightweight

Overview

Add convenient accessory mounting to your camera cage or rig with the SmallRig 3873 Magic Arm with Dual Ball Heads. Designed for versatile accessory positioning, the arm supports compatible external monitors, viewfinders, lights, microphones, and other filmmaking equipment.

The magic arm features two adjustable ball heads and a 1/4"-20 mounting screw at each end. Tightening thumbwheels and anti-twist locating pins help secure connected accessories and reduce unwanted rotation.

Each ball head incorporates a silicone gasket to improve friction and grip when adjusting the accessory position. Both ball heads are secured using a convenient center locking lever.

Built from lightweight aluminum and steel components, the arm weighs approximately 3.1 oz / 88g while supporting a maximum load of 5.5kg. An included magnetic wrench helps tighten the thumbwheels.

Key Features

Dual Adjustable Ball Heads

Two articulation points provide flexible positioning for compatible accessories.

5.5kg Maximum Load

Supports compatible equipment with a stated maximum payload of 12.1 lb / 5.5kg.

Dual 1/4"-20 Mounting Screws

Standard mounting screws on both ends provide versatile attachment options.

Center Locking Lever

Tighten and secure both ball heads after adjusting accessory positions.

Anti-Twist Locating Pins

Locating pins help reduce accidental rotation when used with compatible mounts.

Silicone Ball Head Gaskets

Silicone gaskets increase grip and friction during position adjustments.

Magnetic Wrench Included

A magnetic wrench assists with additional thumbwheel tightening.

Lightweight Metal Construction

Aluminum and steel construction with a compact design weighing only 88g.

Dual Ball Head Articulation

The SmallRig 3873 features two ball head articulation points, allowing users to adjust the positioning of a mounted accessory to suit their camera configuration.

The center locking lever secures both ball heads, while silicone gaskets increase friction and grip during positioning.

Ball Heads 2 Adjustable Ball Heads
Points of Articulation 2
Locking Mechanism Center Locking Lever
Ball Head Grip Silicone Friction Gaskets

Secure Accessory Mounting

Both ends of the magic arm feature 1/4"-20 male mounting screws with tightening thumbwheels for attaching compatible camera accessories.

Integrated anti-twist locating pins at each end help minimize unwanted accessory rotation when connected to a compatible mounting interface.

Top Mount 1/4"-20 Male
Bottom Mount 1/4"-20 Male
Tightening Method Thumbwheels
Anti-Twist Protection Locating Pins on Both Ends

The included magnetic wrench provides an additional option for tightening the mounting thumbwheels.

Load Capacity & Construction

The SmallRig 3873 is rated for a maximum load of 12.1 lb / 5.5kg according to the supplied specifications. The arm weighs just 3.1 oz / 88g, making it a lightweight addition to a camera rig.

Its construction combines aluminum, rubber, and steel. The arm has a listed width of 1" / 24mm. The key features describe a 4.7-inch arm, while the technical table lists a 5-inch / 120mm segment length.

Ideal Applications

External Camera Monitors Attach and position compatible on-camera monitoring equipment.
Viewfinders Mount compatible viewfinders within your camera setup.
LED Video Lights Adjust the positioning of compatible compact lighting accessories.
Microphones & Audio Gear Attach compatible audio accessories to camera rigs.

Technical Specifications

Brand SmallRig
Model 3873
Product Name Magic Arm with Dual Ball Heads
Product Type Adjustable Camera Accessory Arm
Maximum Load Capacity 12.1 lb / 5.5kg
Top Mount 1/4"-20 Male
Bottom Mount 1/4"-20 Male
Points of Articulation 2
Ball Head Configuration Dual Ball Heads
Ball Head Lock Center Locking Lever
Mounting Thumbwheels On Both Ends
Anti-Twist Design Locating Pins
Ball Head Gaskets Silicone
Construction Materials Aluminum, Rubber, Steel
Arm Length in Key Features 4.7"
Segment Length in Specifications 5" / 120mm
Width 1" / 24mm
Weight 3.1 oz / 88g
Included Tightening Tool Magnetic Wrench
Package Weight 0.315 lb
Package Dimensions 6.5 x 4.2 x 1.7"

What's in the Box

Included Product & Accessory

1
SmallRig 3873 Magic Arm
With Dual Ball Heads and Center Locking Lever
2
Magnetic Wrench
For Tightening the Mounting Thumbwheels

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