What the thread found

• The Sony 900 camera draws approximately 70 watts of power when used with an Evertz down converter attached, making it very power-hungry.
• Powering the camera from the sled is not recommended due to high power consumption in this configuration.
• Using onboard batteries for the camera is a viable alternative approach.
• An Evertz down converter can be used to step down the HD signal to NTSC for compatibility with a TB-6 motion control system.
• The camera with a zoom lens becomes quite long and heavy, and functions as a significant wind catcher.
• The low-mode handle operates smoothly on this camera.
• The requirement for stiff HD-SDI coaxial cable can be problematic, as engineers may want to monitor the actual HD image rather than the converted signal.
• The camera balanced acceptably on an Ultimate Sled with BarTech follow focus in field conditions.
• Some operators have used a black and white video camera mounted to the eyepiece as an alternative to using a down converter for monitoring.
• Preston motors are suitable for focus control with this camera setup.

Depends on

• The experience described is from 2004 with older converter technology.
• Reports indicate that smaller and lighter down converters may have become available after the time of these discussions.
• Wind conditions during one reported use were extreme, which may not reflect typical operating scenarios.
• One user expressed a strong negative opinion about the overall system without providing exhaustive technical justification.
• The specific issues with HD-SDI cable requirements appear to depend on engineering preferences and monitoring needs.
• No comprehensive testing of all documented quirks was completed during the forum discussion.

Parts

Low Mode, Follow Focus

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