[Leica] M9 gotcha

[john at mcmaster.co.nz (John McMaster)]

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
>