Hi Simon, The back focus procedure did complete properly, I have done the procedure several times with different lights and back focus charts. The only thing what made a little difference is putting the camera a little further from the back focus chart (about 4 meters). You say that sometimes it nee...

Hi everyone! I just got a new Sony EX1R for my job and it's a great camera but I have a big problem with back focus. I zoom in to the object I want to film and focus to get a sharp image but when I zoom out the image isn't sharp anymore. I just did a back focus adjustment on the camera but it didn't...