在f/2.8,Sony FE 40mm f/2.5G和Sony FE 24-70mm f/2.8 GM II 50mm对比,成像素质区别不大,40mm的暗角略微多些。
https://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=1551&Camera=1538&Sample=0&FLI=0&API=1&LensComp=1611&CameraComp=1538&SampleComp=0&FLIComp=3&APIComp=0