What the thread found

• The Alexa LF is specified by the manufacturer to draw 120 watts.
• The Alexa SXT cannot be reliably powered through a 12-volt connector when wireless follow focus, motion control motors, and video transmission systems are added due to excessive current draw.
• Switching to 24-volt output from a cinema sled resolved power supply issues for Alexa SXT with multiple accessories.
• Later firmware versions changed the Alexa LF to require 24-volt input exclusively, and the camera draws close to 150 watts under these conditions.

Depends on

• The Alexa SXT power issue was observed during a specific three-day commercial production.
• The power draw figure of 150 watts for the Alexa LF comes from a user report rather than official specifications.
• The exact firmware version or timing of when the 12-volt to 24-volt transition occurred is not specified.
• No information provided about the Pro model's actual power capacity or performance with these accessories.

Gear in this thread

Artemiscatalog

Parts

Follow Focus

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