Archived posting to the Leica Users Group, 2015/03/10
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thanks, I see the issue now. Ken On 3/10/2015 3:22 PM, Peter Klein wrote: > Ken, the uncompressed files were just too big for the M8 electronics to > handle at any reasonable speed. Reviewers and many users would have > screamed bloody murder. Leica found that when they compressed the M8 files > using a square root algorithm, they "couldn't tell the difference" between > the uncompressed and compressed files. > > That was true at low ISO, for files that didn't require much stretching or > pushing of the dark tones. But as we know, things fall apart above ISO > 640. The M8 met Leica's initial goal of getting a digital M into the > marketplace as a "Kodachrome camera" ? one that could utilize most of the > Leica lenses' image quality, as long as the light was a reasonably good. So > we ended up with 10 MB compressed files as our only choice. That didn't > help those of us who regarded the Leica as an available light camera. > > IIRC, M9 users have a choice of compressed or uncompressed DNGs, so they > can get the same advantages without having to mess with extra software. > > Nathan's observation tells us exactly why Leica made the decision to go > with compressed DNGs for the M8. But since I don't have an M240 or MM > (yet?), the M8 uncompressed RAW files give me a way to shoot in darker > dark with what I have now. > > --Peter > > On Tuesday, March 10, 2015, Nathan Wajsman <photo at frozenlight.eu> wrote: > >> Interesting indeed but what you write below is a deal breaker for me. >> >> Cheers, >> Nathan >> >> >>> On 10 Mar 2015, at 08:07, Peter Klein <pklein at threshinc.com >> <javascript:;>> wrote: >>> The disadvantages are that the files take almost forever to write to the >> SD card. You can only take a couple of shots before the buffer fills up. >> > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information