Unverified90% confidenceDecision RuleTime unknown
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
1
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90%
Confidence
Long-term
Relevance
-
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Unverified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88% similarUnverified画质越强的相机传感器越大机身越重，全画幅微单加镜头普遍600g以上，日常街拍便携优先选APS-C或1英寸卡片机（250-400g）79% 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78% similarUnverified旅行/日常记录选APS-C画幅性价比最高：机身+镜头总重可控制在500-700g，画质在光线充足时与全画幅差距肉眼难辨，且套机成本低77% 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77% similar
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