2009Operating forum
Vertical bounce effect when performing 360-degree circular shots with a Steadicam
17 years old. Gear and prices may have changed since.
DisputedParticipants disagreed and reached no conclusion. Read the findings as positions, not as an answer.
What the thread found
- A bouncing or kangaroo-like vertical motion can appear in 360-degree shots even when the rig components are properly secured, and this effect is often more visible with wide-angle or fisheye lenses.
- Operator technique is frequently the root cause of circular shot problems, including improper vest fit, arm overcontrol, excessive gripping, inadequate static balance, and inconsistent walking speed.
- Static balance must be precisely set for smooth circular shots, as the rig must hold the frame without operator correction.
- Wide-angle lenses require the camera to remain absolutely level both fore-aft and relative to the horizon during operation.
- The optical image stabilizer on cameras must be turned off during Steadicam operation.
- Monitor placement in low-mode shots creates a balance compensation challenge that can be addressed by repositioning counterweights such as batteries or adding weight to the monitor side.
- Proper rig setup requires understanding how components interact; simply adjusting spring tension alone may not resolve circular shot issues if balance or technique is the underlying problem.
- Professional training through workshops is significantly more effective than self-teaching for learning the muscle memory and techniques required for smooth operation.
Depends on
- The advice pertains primarily to stereoscopic rigs using multiple cameras with external batteries and monitors.
- The specific setup involved Panasonic HVX 200 cameras, Century Optics fisheye lenses, and Glidecam v-25 stabilizer; results may vary with different equipment.
- The problem was documented in 2009, and video examples referenced are from that era.
- No definitive technical solution was identified; operators reported that the issue persists across many productions.
- The discussion does not establish whether the effect is inherent to certain lens types or purely technique-dependent.
Parts
Same gear or parts
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