What the thread found

• Panavision Alexa dovetail plates may have non-standard geometry that creates excessive upward pressure on XCS Topstage locking mechanisms, potentially causing bolt failure.
• The XCS Topstage clamp incorporates adjustable set-screws that can be reconfigured when switching between different dovetail plate designs.
• Excessive force when tightening the Kipp handle on XCS clamps can damage components, as these clamps require less force than some competing designs.
• XCS clamp faces must be properly adjusted to remain level during contact to prevent dovetail plate slippage and component stress.
• Third-party solutions such as alternative camera brackets are available for compatibility with existing dovetail plates.

Depends on

• Experience limited to specific time period and production environments
• Root cause of bolt failure disputed—geometry issue versus operator technique versus manufacturing defect
• Panavision representative testing on multiple Topstage units found no issues
• One user reported no problems across two seasons of use with Panavision plates

Parts

Dovetail Plate, Top Stage

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