[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

球头直径决定锁紧刚性:38mm球头适合微单+标变(承重约8kg),44mm以上适合单反+长焦(承重15kg+),球头越小自重越轻但仰角承重衰减越明显

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85%
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