Central sharpness is very good at f/1.8 and f/2, excellent from f/2.8 through to f/5.6, very good from f/8 to f/16 and fair at f/22. The edges are good at f/1.8 and f/2, very good from f/2.8 to f ...

【中关村在线北京行情】佳能RF 50mm f/1.8 STM是一款出色的标准定焦镜头。它为佳能RF卡口，滤镜尺寸43mm。镜头光学结构为5组6片，其中一枚是非球面镜片，7片圆形光圈叶片，这和EF 50MM F/1.8 STM镜头结构相同。其最近对焦距离0.3M，放大倍率0.25倍。配备STM ...

Canon RF 50mm f/1.8 IS STM – Canon's must-have prime is also its cheapest. It's nowhere near as advanced or optically impressive, but it's truly tiny and is also stabilized – helpful if you don't have ...

23mm F1.4: Priced at $599, also arriving January 23, 2025. This now brings the total to six APS-C format DC DN lenses for the Canon EOS R range (the 10-18mm 2.8 DC DN | Contemporary and 18-50mm F2.8 ...