Here is the size comparison between he new Sigma 28-70mm f/2.8 DG DN Contemporary lens that will be announced on February 24 and the Tamron 28-75mm FE..
Alex Phan posted the next test video wiith this head up text:
at the osprey scene, you will see me shaking up the camera erratically, i want to see if the camera will pick up on something else but it still locked to the eye
Rafael writes:
Maybe that’s something for you: I’m just reviewing the Sony A1 and as a sideproject I managed to edit the 8K footage on an iPad. Plus I found a trick to even export the whole 8K project and render it on a Mac since the iPad can’t yet render 8K videos. https://youtu.be/DdNOYUasH0I The video is in German but I added English subtitles.