Unverified85% confidenceTradeoffTime unknown
70-200mm f/2.8属于恒定大光圈'大三元'定位,室内运动、婚礼、舞台、人像抓拍必备;若只在户外白天用,70-300mm f/4-5.6可减重一半并省下大量预算
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85%
Confidence
Long-term
Relevance
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Unverified70-200mm f/2.8恒定光圈是室内运动、婚礼、舞台的标准配置,全程f/2.8保证暗光快门速度;若只拍白天户外,f/4版本可减重约300-500g且画质相近84% similarUnverified恒定f/2.8的24-70mm是通用生产力焦段,24mm广角够拍环境和风景,70mm端可拍半身人像,一镜适合旅拍、活动、扫街三合一场景77% similarUnverified70-200mm f/2.8 是最均衡的远摄选择:恒定f/2.8保证弱光和虚化,覆盖人像、婚礼、舞台、体育;比100-400轻便且画质更优,是人像/活动摄影师的标配一镜75% similarUnverified全画幅24-70mm f/2.8约750-900g,24-105mm f/4约650-700g,长期手持拍摄或旅行时f/4版本轻150-250g,是通勤/扫街的更优解74% similarUnverified人像出片首选等效85mm-135mm焦段配f/1.4-f/1.8大光圈,此组合虚化与压缩感最佳;室内空间受限时50mm f/1.8更实用74% similar
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