Archived posting to the Leica Users Group, 2009/05/20
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Yes Geoff, I leave my M8 files unaltered, and all others. I do not know whether there will ever be any reason to need whatever extra is in the NEF files, if anything. I did even keep both the originals and the dng conversion for a while. That was even dafter. I have 6 Tb of disc space.... Frank On 20 May, 2009, at 08:44, Geoff Hopkinson wrote: > Frank perhaps you could run an experiment there if you wished and > let us > know the outcome? You'll need a lens with known significant correction > problems to conduct the experiment. I'm biting my tongue ;-) ;-) > To the best of my knowledge only the White balance data is encrypted > in the > NEF format. Very likely we have some software experts in our midst > who can > correct me if I'm wrong there which is quite possible. I've seen DNG > metadata dissected in some detail on the L Camera Forum list. This > was in > support of designing lens correction software. > It starts to get complex when addressing which Raw files metadata > conforms > to which standard. In the case of DNGs the standards are not > completely > prescriptive. DNG1.2 is the preferred standard. I can only comment > that the > M8 files work perfectly with Adobe's software. The lossless > compression > added is very useful. Typically my DNG might be 5 or 6MB now instead > of the > 10MB from camera. So maybe 4GB of archive space saved per 1000 shots > which > is a useful bonus. > It is possible to preserve all of the original Raw data with the DNG > if > desired for a 'belt and braces' archive. > > 2009/5/20 Frank Dernie <Frank.Dernie at btinternet.com> > >> I quite agree with you Jayanand. I converted all my raw files to >> dng for a >> while, but then I thought about things like automatic lens >> corrections and >> felt that there was a good chance that dng, whilst I am sure it >> keeps all >> the picture data, may not keep some of the other proprietary data, >> so I went >> back to keeping everything in the raw format it comes in. >> cheers, >> Frank >> >> On 20 May, 2009, at 02:53, Jayanand Govindaraj wrote: >> >> Geoff, >>> I will take the reverse view - the evil empire trying for world >>> domination in graphics is Adobe, and I have no idea how they have >>> not >>> had the antitrust book thrown at them yet. I have the CS3 suite, >>> bought for me by my son's friend who used to work for Adobe here in >>> India - I had asked for the standalone Photoshop, but he landed up >>> with this. To upgrade it to the CS4 suite here they want only the >>> equivalent of US$1200. I use mainly Photoshop, but they refuse to >>> upgrade the one program, and insist that I have to upgrade the whole >>> suite (90% useless to me)! No other company in the world can get >>> away >>> with this sort of pricing and gouging. I have decided to skip one >>> generation. >>> >>> I have total sympathy with Nikon and Canon, and am firmly on their >>> side that their proprietary data is their own. Ask Adobe to make the >>> code for Photoshop open source - will they do it? >>> >>> Leica, Pentax and Hasselblad use DNG because they have no money to >>> support any thing else. >>> >>> Cheers >>> Jayanand >>> >>> >>> >>> On Wed, May 20, 2009 at 5:15 AM, Geoff Hopkinson <hopsternew at >>> gmail.com >>> > >>> wrote: >>> >>>> Bob if the camera manufacturers weren't so fond of inventing new >>>> proprietary >>>> Raw formats, Adobe wouldn't have to keep reverse engineering and >>>> decoding >>>> their new formats to provide the upgrades free for owners of Ps. >>>> I think >>>> they currently support more than 170 Raw formats. Madness! >>>> That's why we have a DNG format. Thank you Leica and Hasselblad and >>>> Pentax >>>> for using it. >>>> Don't blame Adobe for Nikon and Canon's policies! >>>> On hardware any computer that you were happy with for CS3 will >>>> work the >>>> same >>>> for CS4. They have just added openGL support for the smooth new >>>> scrolling, >>>> zooming, flick panning teatures. Any modest half way modern video >>>> card >>>> will >>>> work. You can see a list of tested ones in Ps support. In fact >>>> you don't >>>> want a card with the most on board memory (unless you play games) >>>> because >>>> you'll have less RAM available to Ps when the video memory is >>>> mapped to >>>> RAM. >>>> Remember that if you use LR2 rather than ACR you will have the >>>> same Raw >>>> upgrades available. >>>> 2009/5/20 Robert D. Baron <rbaron at concentric.net> >>>> >>>> Thanks, all, it sounds like the upgrade may turn out to be worth >>>> it. >>>>> It does disturb me that I need to spend $200 on this upgrade so >>>>> I can >>>>> work on the latest raw files (Canon G10 and so forth) and then >>>>> I'll >>>>> probably need to upgrade my computer as well. >>>>> >>>>> Does it ever stop? No, of course not. >>>>> >>>>> In the meantime I'll look for the best price. Chris, I'm not a >>>>> member >>>>> of PPA....I was a member of NAPP but I let it expire. I know they >>>>> offer a discount but I can't remember how much. I'll give them >>>>> a call >>>>> tomorrow and maybe they'll tell me as an enticement to re-up. >>>>> >>>>> --Bob >>>>> >>>>> _______________________________________________ >>>>> Leica Users Group. >>>>> See http://leica-users.org/mailman/listinfo/lug for more >>>>> information >>>>> >>>>> >>>> >>>> >>>> -- >>>> Cheers >>>> Geoff >>>> 'Life's not B&W, except at both ends' >>>> http://gallery.leica-users.org/v/gh/ >>>> http://www.pbase.com/hoppyman >>>> >>>> _______________________________________________ >>>> Leica Users Group. >>>> See http://leica-users.org/mailman/listinfo/lug for more >>>> information >>>> >>>> >>> _______________________________________________ >>> Leica Users Group. >>> See http://leica-users.org/mailman/listinfo/lug for more information >>> >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> > > > > -- > Cheers > Geoff > 'Life's not B&W, except at both ends' > http://gallery.leica-users.org/v/gh/ > http://www.pbase.com/hoppyman > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information