Dvcpro 50 file half the size it should be

I had a Dvcpro 50 tape captured by a service bureau today. The file size is half what I calculated it would be and (viewed by quicktime) looks much worse than it did on the monitor during shooting. Quicktime says it is DVCpro 50, 720x480, 29.97, 59.08 mb/sec, 103 min.
(all what I expected) BUT it also shows the file size of 26.34 Gig which is exactly 1/2 what both my calculations and the video space calculator say it should be. And, as I mentioned it doesn't look good either. (my DV backup looks better!) What did the service bureau do wrong? thanks

Dunno, but I'd have it redone for sure. Sort of sounds like they may have used an analog output from their player to a capture card, and doing that can degrade the signal. The File size is odd though. Can't quite figure out what happened there, but in any case, I'd have them redo it. Have them capture via SDI or Firewire, and use FCP to do the job.
Jerry

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Dvcpro 50 file half the size it should be

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