Monster MOV. file size

Used Stream Clip to convert VOB. from a DVD to MOV. so can use in Itunes and Imovie through Quicktime. The VOB. had 3 one gig files and after conversion now have a giant 31 gig MOV. file.
Is this simply the way it is to be or is there anyway to cut the file size in half with little loss of quality.

Used Stream Clip to convert VOB. from a DVD to MOV
That really doesn't tell us much sine the .mov file extension merely means that the video/audio streams contained in the file are in a QuickTime wrapper. A .mov file could be made from any number of codecs.
Also remember that DVD video is highly compressed MPEG-2 so when converting to an editing format (ie; DV/DVCPro) the resulting file size SHOULD BE MUCH LARGER.
You can get up to 2 hours of decent quality video on a 4.3gb DVD disc, but DV/DVCPro requires about 13gb per hour, so you can easily see how highly the DVD video was compressed.
-DH

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