I'm a newbie. I tried backing up Blade Runner Final Cut using DVDFab Passkey to ISO. The resulting file was only 21.7 GB, so I assumed I had a BD25. I went to ImgBurn and wrote the ISO to a BD25. It does not play on the PS3 (disc not recognized).
I fired up DVD Fab Blu-Ray to Blu-Ray and after it analyzed the disc the target size is "stuck" on BD50. So my questions are:
1. Do movie studios often put 21 GB of content on a BD50 disc?
2. Can writing out BD50 content to a BD25, even if the ISO is less than 25 GB, cause an error? If so, what's the best way to handle those types of discs?
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Well, the resulting ISO file (packaging the entire disc) was 21.7 GB, so I don't know how that would inflate beyond 25 GB. Burning that with ImgBurn was a failure, so I assumed maybe there were file structure issues that prevented small BD50s from being written to BD25 without reauthoring.