Get Nikon Z system at B&H Photo.
See also the assessment of distortion and its implications for sharpness after distortion correction in Distortion @ 70mm, 50mm, 35mm for Nikon NIKKOR Z 24-70mm f/2.8 S.
This series looks at the performance of the Nikon NIKKOR Z 24-70mm f/2.8 S from f/2.8 through f/8 at 70mm on a highly demanding detailed planar (flat) target.
Includes images up to full camera resolution from f/2.8 through f/8, plus crops.
I’m not impressed, and had hoped for more.