What the thread found

• When the subject is much taller, booming the arm all the way up reduces the arm's ability to absorb vibrations and should be avoided if possible.
• Increasing arm tension to hold the boom at height is a workaround but compromises vibration isolation, making it less than ideal.
• Using a longer arm post is the preferred solution for gaining additional lens height without sacrificing arm function.
• Raising the socket block on the stabilizing vest can provide extra height if the arm post cannot be changed.
• Moving further away from the subject and using a longer focal length reduces the amount of camera tilt needed to frame the shot properly.
• In a rehearsal, the optimal setup is found by booming fully up, then adjusting the top stage position until the arm requires minimal or no hand pressure to maintain height.
• An isoelastic or heavily damped arm will naturally hold position better when boomed high, though vibration absorption still decreases.

Depends on

• The advice assumes access to adjustable equipment like longer arm posts and height-adjustable vest sockets.
• The practical benefits of different approaches depend on how much camera movement is required during the shot.
• Specific recommendations assume use of stabilizing arms with particular damping characteristics such as Tiffen brand arms.

Parts

Top Stage, Arm Post

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