适马宣布推出 X 卡口 18-50mm F2.8 DC DN镜头

2 月 21 日消息，今晚，适马举行发布会发布了富士 X 卡口“三剑客”镜头。在发布会最后，适马表示将在明日的 CP + 展会上发布 X 卡口 18-50mm F2.8 DC DN 镜头。

IT之家了解到， 18-50mm F2.8 DC DN 是适马去年推出的一款 APS-C 画幅镜头，具有 F2.8 恒定大光圈和小体积，目前有 E 卡口和 L 卡口，售价仅为 3299 元。这款镜头不支持防抖，配合富士有机身防抖的 XS-10 和 XT-4 相机将是性价比很高的选择。

该镜头等效焦距 27-75mm，用途广泛，适合拍摄风景、肖像、扫街、建筑和活动在内的各类照片和视频。镜头最近对焦距离仅有 12.1cm，提供 1:2.8 的放大倍率，适用于微距摄影。适马 18-50mm F2.8 DC DN 镜头的规格很高，10 组 13 片镜片结构，搭载 3 片高精度玻璃磨铸非球面镜片、1 片 SLD 镜片，尽可能减少镜片使用总数。产品支持机身相差校正，进一步消除了畸变和眩光等光学缺陷。官方表示，镜头在日本“会津”工厂制造，属于同类规格中最小、最轻的产品。这款镜头内置步进马达，对焦安静快速，采用内对焦设计。产品支持各项机身高速对焦模式，支持自动对焦、手动对焦以及全时手动对焦（DMF）。镜头卡口处具有防尘防滴溅结构，搭载 7 片圆形光圈叶片，同时兼容 SIGMA USB DOCK UD-11 用于升级固件。

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