{"schema":"hottub-news/story/v1","story":"st_g6733vaf5o5swsnlykiq","title":"消息称适马将推出 50-120mm F2.8 APS-C 相机镜头","title_en":"Rumors say Sigma will release a 50-120mm F2.8 APS-C camera lens","outlets":1,"brief":null,"page":"https://hottub.news/stories/rumors-say-sigma-will-release-a-50-120mm-f2-8-aps-c-camera-lens-g6733vaf5o","count":1,"items":[{"id":"n_g6733vaf5o5swsnlykiq","seq":1460564,"kind":"article","title":"消息称适马将推出 50-120mm F2.8 APS-C 相机镜头","title_en":"Rumors say Sigma will release a 50-120mm F2.8 APS-C camera lens","url":"https://www.ithome.com/1/009/394.htm","summary":"IT之家 10 月 3 日消息，据 Sony Alpha Rumors 消息，适马（Sigma）即将于 10 月 8 日推出新款 50-120mm f/2.8 APS-C 画幅镜头 。 据知情人士透露，发布会预计定于柏林时间 10 月 8 日下午 1 点左右举行（IT之家注：北京时间晚上 7 点）。 与此同时，适马还在为 10 月 24 日的另一场发布会预热。目前尚不清楚届时官方是仅展示这款 APS-C 变焦新品，还是会正式推出传闻中光圈高达 f/1.1（甚至可能达到 f/1.0）的全画幅超大光圈自动对焦镜头。 相关阅读： 《 消息称适马 9 月发布 65mm 自动对焦镜头新品，光圈大于 F1.2 》 《 单反时代“黑科技”有望迎无反版更新，消息称适马正酝酿全新 50-100mm f/1.8 半画幅镜头 》","published":"2026-10-03T01:22:17Z","seen":"2026-10-03T01:36:16Z","lang":"zh","country":"CN","source":{"id":"kite-ithome-com-f1cdd0","name":"ithome.com","domain":"ithome.com","outlet":{"wikidata":"Q28413779","name":"IThome","type":"website","country":"CN","designations":["website"]}},"via":"kite-ithome-com-f1cdd0","entities":[{"id":"Q356368","name":"Sigma","type":"org"}],"story":"st_g6733vaf5o5swsnlykiq","category":"economy-business","category_p":0.46000000834465027,"category2":"science-technology","sentiment":"neutral","tone":0.029999999329447746,"political":0.03999999910593033}]}