{"meta":{"id":"https:\/\/api.iclient.ifeng.com\/ipadtestdoc?aid=ucms_7zQv4gZJ74v","type":"doc","o":"1","documentId":"ucms_7zQv4gZJ74v"},"body":{"newStatus":"1","documentId":"ucms_7zQv4gZJ74v","staticId":"ucms_7zQv4gZJ74v","title":"索尼发布新A卡口转接环LA-EA5 内置对焦马达","shareTitle":"索尼发布新A卡口转接环LA-EA5 内置对焦马达","thumbnail":"http:\/\/d.ifengimg.com\/w150_h106_q100\/x0.ifengimg.com\/ucms\/2020_36\/BE870216BCAC6B959E0858A1EDB52590C400C911_w698_h392.jpg","source":"","author":"","editorcode":"weMedia","editTime":"2020-09-02 09:55:05","updateTime":"2020\/09\/02 09:55:05","wapurl":"http:\/\/\/\/feng.ifeng.com\/c\/7zQv4gZJ74v","introduction":"","wwwurl":"http:\/\/\/\/feng.ifeng.com\/c\/7zQv4gZJ74v","commentsUrl":"ucms_7zQv4gZJ74v","commentCount":0,"text":"
在9月1日晚上索尼发布了新款A卡口转接环LA-EA5,新转接环内置了微型自动对焦驱动系统,不具备对焦马达的A卡口镜头也能在E卡口机身上实现自动对焦。<\/p>
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索尼LA-EA5是一个紧凑的A卡口转接环,尺寸为66.0 x 31.7 mm、重88g,它不仅带有金属触点,能为镜头供电、传递EXIF信息,兼容具备SSM(超声波马达)和SAM(平滑对焦马达)的A卡口镜头,还内置了微型自动对焦驱动系统——螺旋驱动马达,能让无对焦马达的镜头,比如Sonnar T* 135mm F1.8 ZA、Planar T* 85mm F1.4 ZA在E卡口相机上实现自动对焦,同时支持人与动物实时眼部对焦,实时追踪和AF\/AE(自动曝光)跟踪多个特性。由于相机特性差异,使用LA-EA5转接环后最高连拍速度会有所变化,Alpha 6600能最高提供11FPS连拍,Alpha 7R IV、Alpha 9、Alpha 9 II最高能实现10FPS连拍。得益于LA-EA5紧凑的身型,安装到相机后与卡口的边缘对齐又没有凸起,不影响使用VG-C4EM等竖拍手柄。<\/p>
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索尼新转接环LA-EA5计划在2020年10月底在国内上市,售价为1980元。<\/p>","img":[{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/C524A478651B4E689953651EE3B2CCC44A63940A_size92_w750_h500.jpeg","size":{"width":"640","height":"426"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/x0.ifengimg.com\/res\/2020\/DAC7E8EA82ED426457BD40523B8D57D269403825_size66_w750_h500.jpeg","size":{"width":"640","height":"426"}}],"summary":"在9月1日晚上索尼发布了新款A卡口转接环LA-EA5,新转接环内置了微型自动对焦驱动系统,不具备对焦马达的A卡口镜头也能在E卡口机身上实现自动对焦。索尼LA-E","sharesummary":"在9月1日晚上索尼发布了新款A卡口转接环LA-EA5,新转接环内置了微型自动对焦驱动系统,不具备对焦马达的A卡口镜头也能在E卡口机身上实现自动对焦。索尼LA-E","commentType":"0","wemediaEAccountId":"885788","showclient":"0","shareurl":"https:\/\/ishare.ifeng.com\/c\/s\/v002NaBvG7fLbrtT6wFohKhTUSCMPljVY5vVQN--Y3OKAlL0__","praise":"0","like_num":"0"}}