Strange: Optyczne believes A9 III sensor might be ‘welded’ from two smaller sensors

Amadeusz Andrzejewski sent me this message: I wanted to show you potential proof, that the Sony A9 III sensor might be ‘welded’ from two smaller sensors. As a part our test of this camera we always do 3-minute long ‘dark’ exposures to see how a device would behave in an astrophotography applications. Here’s a 3-minute…...