Unverified90% confidenceDecision RuleTime unknown

选相机本质是选卡口生态：卡口一旦确定，后续镜头投入远超机身。购买前应确认该卡口是否有覆盖自己题材的镜头群（如人像大光圈、长焦、微距）及副厂支持情况

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Unverified选择相机本质是选择镜头生态系统：一旦确定卡口（索尼E/佳能RF/尼康Z），未来所有镜头投入都锁定在该体系，选购时应先评估该品牌镜头群是否覆盖收礼人未来需求90% similar Unverified选相机应先锁定镜头卡口生态：确认目标焦段（尤其长焦、微距）在该卡口有可负担的原厂或副厂镜头，再回头选防抖机身；防抖再强也无法弥补镜头缺失86% similar

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