What the thread found

• The Alexa can be mounted on a Zephyr when configured as a lightweight setup, staying within the approximately 23-24 pound camera payload limit by removing unnecessary components and using minimal support hardware.
• The Alexa can be powered through the Zephyr sled using a custom 24-volt power cable connected to two V-lock batteries mounted on the sled for counterbalancing.
• Operating in 24-volt mode rather than 12-volt is preferable because it reduces current draw and extends battery lifespan, though it requires a differently wired power cable with different pinouts than 12-volt operation.
• The combination of Alexa body, lightweight lens, clip-on mattebox, 15mm rods, basic follow focus, and motor can fit within the sled weight capacity with minimal margin for additional equipment.
• High power consumption means even two batteries provide less than one hour of runtime for a fully equipped camera setup, requiring multiple spare batteries for longer shooting days.
• The connection point between the center post and camera stage uses a metal collar with five hex screws that can loosen during operation and should be checked regularly to prevent vibration and play.
• Battery performance degrades faster under sustained high current draw, making the 24-volt configuration gentler on battery health than continuous 12-volt operation.

Depends on

• Setup is only viable for lightweight configurations without teleprompters, wireless sound systems, Preston controllers, or other heavy accessories typically added in production.
• The weight limit leaves minimal headroom after mounting the camera and basic support gear, making it risky for situations where production might add unexpected equipment.
• Battery capacity of common options like Dionic HC batteries provides severely limited runtime, requiring frequent battery changes on longer shooting days.
• The Zephyr vest shows flex at upper weight limits, potentially affecting stability of heavier configurations.
• Running a separate monitor on the sled adds additional power drain to already strained battery capacity.
• The advice to lower the Alexa power warning menu setting was mentioned but full technical parameters for safe operation were not fully detailed.

Gear in this thread

Zephyrcatalog, BFD

Parts

Follow Focus, Base Plate

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