Unverified80% confidenceTradeoffTime unknown
碳纤维球头相比同规格铝合金仅减重约10-15%（球头本体为金属，减重主要在底座部分），球头减重效果远不如脚架显著，预算有限时球头选铝合金、把钱花在碳纤维脚架上更划算
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