IT之家 1 月 23 日消息，佳能今日发布了超广角变焦镜头新品 RF16-28mm F2.8 IS STM，将于 2025 年 2 月下旬上市，1149.00 美元（IT之家备注：当前约 8361 元人民币）。 这款产品采用小型轻量设计，F2.8 恒定大光圈，具备高光学素质，支持高速对焦和 5.5 级光学防抖，具有防尘防水滴设计。

At 17mm, central sharpness is outstanding from f/2.8 through to f/8, excellent at f/11, very good at f/16 and good at f/22. The edges are excellent at f/2.8, outstanding at f/4, excellent at f/5.6 ...

At 18mm, central sharpness is excellent from f/2.8 to f/8, very good at f/11 and f/16 and soft at f/22. The edges are very good at f/2.8 and f/4, excellent at f/5.6 and f/8, very good at f/11 ...