Hollyland Spares - Magic Arm (for Mars & Cosmos Series)

The Hollyland Magic Arm is an official factory-spare articulating friction arm engineered to provide stable, adjustable mounting for the Mars and Cosmo series wireless video systems.

When deploying a wireless transmitter on a complex camera rig, fixing the unit in a single static position can block your camera's integrated screens or restrict lines of sight. This multi-jointed arm allows you to position your transmission hardware at the perfect orientation for clear wireless propagation while keeping the main camera controls unobstructed.

Core Structural and Rigging Features

• Single-Point Central Locking System: Utilizing an ergonomic center T-handle, a single twist releases or locks down all three pivot joints simultaneously. This design enables fast, one-handed orientation adjustments without needing to manipulate multiple individual thumbscrews on set.

• Dual 360-Degree Ball Joints: Features highly independent ball-and-socket terminals on both ends. This design allows you to tilt, swivel, and articulate the wireless system into extreme angles—including underslung, high-profile vertical, or offset mounting setups.

• Universal 1/4-Inch 20 Interfaces: Equipped with standard 1/4-inch 20 threaded male studs on both ends. Each terminal end features rubber-cushioned thumb wheels that secure tightly into your camera cage or the transmitter housing, preventing metal-on-metal slipping and thread damage.

• Rugged All-Metal Construction: Machined from a high-tensile aluminum alloy to easily hold the combined weight of heavy wireless units paired with larger NP-F style batteries. The non-reflective matte finish blends in with standard production kit aesthetics.

System Interoperability

This universal mechanical accessory fits perfectly into the mounting points found across the entire ecosystem:

• Hollyland Mars Series: Mars 300 Pro, Mars 400S Pro, Mars 4K, and Mars M1 / M1 Enhanced Monitors

• Hollyland Cosmo Series: Cosmo C1 SDI/HDMI Wireless Video Systems

• Standard production camera cages, top handles, baseplates, and cheese plates featuring standard 1/4-inch 20 female mounting threads.

Technical Specifications Matrix

• Official Spare Category: OEM Camera Rigging and Mechanical Mounting Systems

• Ecosystem Compatibility: Hollyland Mars and Cosmo Hardware Lines / Standard 1/4-Inch 20 Platforms

• Primary Interface Thread: Dual 1/4-Inch 20 Male Connections

• Locking Mechanism Type: Single Central Friction Control T-Handle

• Material Composition: CNC-Machined High-Strength Aluminum Alloy

• Color Configuration Profile: Production Matte Black with Polished Silver Accents

On-Set Rigging Best Practice

To ensure maximum safety for your wireless equipment, always support the weight of your Mars or Cosmo transmitter with one hand while adjusting the central locking knob. If you loosen the handle completely while a top-heavy unit is unsupported, gravity can cause the arm to collapse suddenly, which can strike your camera cage or put severe leverage shock on your transmitter's 1/4-inch mounting point.