Superb detail, corner to corner.

The ultimate test of lens sharpness is the Modulation Transfer Function (MTF) curve -- a rigorous analysis that shows how well the lens maintains contrast and detail from the center of the image all the way out to the corner. On the vertical axis is modulation from 0% to a perfect 100%. On the horizontal axis is the distance from the image center. In these demanding tests, the DSC-R1 Carl Zeiss® lens outperforms the "standard" lens of even highly regarded D-SLRs!