Unverified82% confidenceDecision RuleTime unknown
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
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Unverified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82% similarUnverified画质与便携难两全：全画幅专业旗舰画质最强但机身+镜头常超1.5kg，日常出街和旅行携带负担大；追求便携的送礼场景APS-C微单更合适80% similarUnverified预算优先投镜头而非机身：APS-C画质瓶颈更多在镜头，与其买高端机身配套机镜头，不如中端机身+一支恒定光圈大光圈变焦或定焦77% similarUnverified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77% similarUnverified需要抓拍、街拍、旅拍等对便携和速度敏感的场景不建议买中画幅：机身普遍900g以上、镜头单支常超700g，对焦和连拍慢，弱光高感也不及现代全画幅76% similar
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