Unverified83% confidenceTradeoffTime unknown
全画幅传感器画质和虚化优势明显但机身+镜头系统更重更贵；APS-C在长焦有等效焦距1.5倍加成，打鸟拍鸟性价比更高
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83%
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Long-term
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Unverified以人像/风光拍摄为主且预算充足，选全画幅传感器；APS-C画幅在同焦段下有1.5x等效裁切系数（佳能为1.6x），拍鸟/运动打鸟反而更占便宜88% similarUnverified传感器越大画质越好但机身+镜头越重越贵：全画幅镜头普遍比APS-C重50%以上，中画幅系统重量和成本再翻倍，需在画质与便携间权衡85% similarUnverified全画幅暗光弱光表现好、虚化强但机身镜头重且贵；APS-C同焦段镜头轻便便宜且有1.6倍等效望远优势，打鸟长焦反而是APS-C性价比更高83% similarUnverified画质与便携存在根本矛盾：全画幅传感器高感与虚化优势明显但机身镜头都更大更贵，M4/3和APS-C画幅在高感和景深虚化上让步换取轻量化和长焦等效倍率优势83% similarUnverified传感器画幅越大画质和虚化越好，但镜头体积重量和成本呈几何级增长；APS-C是画质与便携的平衡点，M4/3极致便携但弱光和虚化受限81% similar
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