Unverified50% confidenceSolutionTime unknown
镜头卡口生态决定长期成本，选相机本质是选卡口——索尼E口/佳能RF口/尼康Z口的镜头群和二手保有量差异巨大，冷门卡口后期换镜受限
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50%
Confidence
Long-term
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