Archived posting to the Leica Users Group, 2013/10/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]John... what is the file size difference between a compressed and uncompressed capture? Frank Filippone Red735i at verizon.net The M has uncompressed or lossless compressed, I have just looked at the sizes of the latter - most are 20MB-25MB but some are larger or smaller. > -----Original Message----- > > The M does or does not have compressed data files ( by selection)? > > I got my M9 about a year ago... no M in my future, for now.... I have > shot everything in RAW Compressed.... > > Frank Filippone > Red735i at verizon.net > > > Well it's a four year old discussion Frank. Some people never used the > compression but ask any of us to actually demonstrate the difference > in photos and we cannot. > The M with much greater processing power has not used this option. > > > > Geoff... if it is either 8 bits or 14 bits, and you then process the > > image in LR or CS, what data is LR or CS working with? 8 bits, or > > during file opening, the data is decompressed from 8 bits back up to > > 14 bits and then you are working with 14 bit data? > > > > The issue to me is the quantization level achievable in the post > > processing..... > > > > Frank Filippone > > Red735i at verizon.net > > > > > > Brian, anecdotally most M9 shooters use that compressed option, > > although I didn't personally. Of course, with the M8 it was the > > only option. The key is that it is non-linear compression. If you > > like I'll send you a copy of the LFI explanation of the mechanism. > > > > > > Cheers > > Geoff > _______________________________________________ Leica Users Group. See http://leica-users.org/mailman/listinfo/lug for more information