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ARRI

cmotion Cinefade VariND Motorized Variable ND & Polarizing System

ARRI Lenses
Professional broadcast product designed for reliable production, streaming, and modern media workflows.
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Key Features


Key Features

  • Dynamic Cinefade Effect: Varies depth of field while maintaining constant exposure.
  • Motorized VariND: Provides ND0.4–ND1.9+ (1.3–6+ stops) with remote control.
  • Standalone RotaPola Mode: Enables 180° remote-controlled polarizer rotation.
  • Universal Compatibility: Fits standard cinema matte boxes and camera systems.
  • Premium ARRI Optical Glass: Delivers crisp, color-neutral performance.
  • Ideal for Inaccessible Rigs: Enables remote exposure control on cranes, gimbals, and Steadicams.



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Features & Specifications

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Product Overview +

A Novel Form of Cinematic Expression

The cmotion Cinefade VariND is a revolutionary optical control system designed for professional cinematographers. By motorized pairing of variable neutral density filtration with wireless lens control, the Cinefade system creates a completely unique visual effect: altering a scene's depth of field in real-time while maintaining perfectly balanced exposure. This allows DPs to manipulate background blur dynamically to emphasize an actor's emotional state or direct audience focus within a single continuous shot.

Multipurpose Wireless Variable ND & RotaPola

Beyond the signature Cinefade effect, the system functions as a high-end remote-controlled Variable ND (ND0.4 to ND1.9+). When mounted on hard-to-reach rigs like Jibs, Steadicams, or remote heads, operators can adjust exposure smoothly in 1/3 stop steps using the cmotion cPRO hand unit. Removing the static polarising tray instantly converts the device into a motorized RotaPola filter, allowing remote adjustment of glare, sky contrast, and reflections up to 180 degrees.

Production-Ready Integration

Built around top-tier ARRI polarizing optics, the Cinefade setup integrates directly into professional cinema workflows. Whether managing extreme lighting shifts on location or executing subtle narrative depth-of-field transitions, the Cinefade system delivers seamless optical precision without altering color fidelity.

Technical Specifications +
cmotion Cinefade VariND Motorized Variable ND & Polarizing System technical specifications