Central sharpness is very good at f/1.8 and f/2, excellent from f/2.8 through ... The taller the column, the better the lens performance. CA (Chromatic Aberration) is measured with any in-camera ...

佳能EF 50mm F1.8 STM镜头 ... 其光学结构沿用了之前50/1.8 II的设计，由5组6片组成，虚化效果出色。 在参数方面，这款镜头的最大光圈为F1.8，能够获得足够的进光量，并且能够提高分辨率和画面的细腻度。同时，其最近对焦距离缩短到了0.35米，便于拍摄微距作品。

Top picks for 2025 - Discover the best lens choices for your EOS R camera for superior image quality and the latest ...