佳能发布RF100-400mm F5.6-8 IS USM镜头
9月14日，佳能发布全画幅镜头RF100-400mm F5.6-8 IS USM，该镜头是一款具有4倍变焦比的超远摄变焦镜头，远摄端焦距可达到400mm，搭配增倍镜使用时则可达到800mm。镜头外形紧凑，镜身长度仅约164.7毫米。 >} (*s^!k
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镜头结构图：UD镜片×1；非球面镜片×1
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