>>3577150No, it's a fact. Many mirrorless cams encounter problems when adapting lenses, but Sony is one of the worst ones. They put this thick low pass filter in front of the sensor, some have argued even that it's intentionally to discourage adapting lenses. You have to replace it to get the most out of them.
https://kolarivision.com/product/sony-a7-series-thin-filter-legacy-lens-upgrade/Your image is actually a proof of this. You've cropped it down from 3:2, yet you still have very soft corners.
