I have been searching for some insight into this subject. When you see a film that was shot in 4 or 5k resolution and then you see it conformed to blu-ray 1080p full screen - what is the process of that? I know that you can transcode in Red CineX to 1080p but you still get the letter box. I'm interested in knowing the process for 5k to 1080p full screen. Thanks.