Blackmagic Design Cable USB-C Zoom Focus Demand
Blackmagic Design Cable USB-C Zoom Focus Demand is backordered and will ship as soon as it is back in stock.
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Blackmagic Design USB-C Cable for Zoom and Focus Demand
The Blackmagic Design USB-C Cable for Zoom and Focus Demand is a high-reliability data cable designed to connect the Blackmagic Zoom Demand and Focus Demand units to compatible cameras. Unlike standard consumer USB-C cables, this version is specifically engineered for rigorous production environments where a disconnected cable can result in lost shots.
Core Functionality
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Secure Locking Connection: The most critical feature is the integrated anchor screws on both ends of the cable. These screws lock the cable into the USB-C ports of both the camera and the demand unit, preventing accidental disconnections caused by camera movement, vibration, or cable snags.
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Daisy Chaining Support: This cable is used to "loop" or daisy chain units together. For example, you can run one cable from the camera to the Focus Demand, and a second cable from the Focus Demand to the Zoom Demand. This allows both controls to operate using a single USB-C port on the camera.
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Power and Data: The cable provides both the power needed to run the demand units and the high-speed data transmission required for latency-free lens control.
Technical Specifications
| Feature | Details |
| Connector Type | USB-C to USB-C (Male to Male) |
| Length | 40 inches (approx. 1 meter / 102 cm) |
| Security | Locking anchor screws on both connectors |
| Material | Heavy-duty shielded jacket |
| Weight | ~12.3 oz (350g) |
Compatibility
This cable is designed for use with the following hardware:
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Cameras:
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Blackmagic Studio Camera 4K Plus / Pro / G2
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Blackmagic Studio Camera 6K Pro
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Blackmagic URSA Broadcast G2
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Blackmagic Pocket Cinema Camera 6K Pro / G2 (with specific firmware)
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Accessories:
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Blackmagic Zoom Demand
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Blackmagic Focus Demand
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Operational Insight (2026)
In 2026, while many 10G USB-C cables can technically pass the data required for focus and zoom, the Blackmagic-branded version is highly recommended for Jib, Crane, or Studio Tripod setups. Standard cables lack the physical locking mechanism, and the USB-C port on a moving camera is a common point of mechanical failure.
Pro Tip: If you are using the Pocket Cinema Camera 6K Pro, using this cable to daisy chain your demands allows you to keep the second USB-C port on the camera free for Blackmagic Cloud proxy uploading or recording to an external SSD.
