charlesphoto99 Posted June 11, 2007 Share #1 Posted June 11, 2007 Advertisement (gone after registration) On a current shoot I had a DNG not write. Fortunately I was shooting with the plus jpeg fine setting (albeit only 6mp in size) as this particular shot might be "the one." The jpeg will be degraded due to need to adjust the M8's horrid white balance but should be good enough for publication. Not sure what happened - any reason a DNG wouldn't write (one out of several hundred that day)? It says zero kb on the info and won't load into Lightroom, etc. Using Lexar Pro 2gb cards. I was shooting quickly, but nothing crazy. Very strange. Link to post Share on other sites More sharing options...
Advertisement Posted June 11, 2007 Posted June 11, 2007 Hi charlesphoto99, Take a look here A reason to shoot jpeg along with DNGs. I'm sure you'll find what you were looking for!
wparsonsgisnet Posted June 11, 2007 Share #2 Posted June 11, 2007 Charles, I also shoot dng + hi-res jpg. On three occasions, I have had one or the other of the pair fail to write or else be unreadable. The alternative form has save the picture. I don't have this problem in a reproducible (or nastily reoccuring) form, so I'm not worried. I figure I did something stupid. It may, however, be addtibutable to a full buffer. The jpg makes a nice backup, in addition to being handy for quick review and handoff to a client. Link to post Share on other sites More sharing options...
charlesphoto99 Posted June 11, 2007 Author Share #3 Posted June 11, 2007 Thanks Bill. Yeah, I always shoot additional jpeg for those reasons. I haven't updated to CS3 yet (probably will do today) and I take it the newest version of ACR 4.1 will adjust jpegs like RAWS (though not really in the same way). As far as sending jpegs to clients I'm a bit confused workflow wise now. I use to use Iview, but now that Iview doesn't support M8 (not to mention the 8's terrible WB and jpeg rendering) I'm using Lightroom and doing a "Quick Develop" on the images and then outputting a pdf proof sheet(s). I'm hoping Lightroom 1.1 has more jpeg support, as well as workflow options for outputting quickly large amount of lo-res images to clients. It may be I'm just missing something too. Link to post Share on other sites More sharing options...
wparsonsgisnet Posted June 11, 2007 Share #4 Posted June 11, 2007 Charles, I'm in windoze, with C1. I find the wb on my jpg's ok most of the time (set to automatic). It seems to get confused during a series of very fast sequential shots, maybe because I haven't given it enuf time to think. I use ACDSee to view my jpg's finding it very convenient for zooming and rotating. It makes a very friendly way to review shots on the computer with the subjects. There's a mac in my furure, tho. Link to post Share on other sites More sharing options...
MarcRochkind Posted June 11, 2007 Share #5 Posted June 11, 2007 I've had DNGs fail to write (zero byte length) with no warning when I shoot too fast or shoot continuously and overrun the buffer. With other cameras, shooting stops or slows when the buffer gets full. With the M8, it seems that it simply fails to record. --Marc Link to post Share on other sites More sharing options...
Chuck Hatcher Posted June 11, 2007 Share #6 Posted June 11, 2007 The only failed writes I have experienced so far were when I was (unwittingly) using counterfeit SD cards. Many have them and don't know it. Link to post Share on other sites More sharing options...
robertwright Posted June 11, 2007 Share #7 Posted June 11, 2007 Advertisement (gone after registration) I had an entire card "disappear" upon getting back home, it was a 2gb transcend, and it worked fine on location, I was able to chimp and review, but when I got home it would not mount properly, and I had to use image rescue to get what I could off the card. Had I shot dng + jpeg, that would have meant twice as many files to recover, which to me is 2x the opportunity, so now, I always write a 6mb jpeg as a safety. It only happened on that one card so I threw it out. But very odd. could not get the card to be recognized or format it. Camera would always register the card as "full". Link to post Share on other sites More sharing options...
charlesphoto99 Posted June 12, 2007 Author Share #8 Posted June 12, 2007 The only failed writes I have experienced so far were when I was (unwittingly) using counterfeit SD cards. Many have them and don't know it. Card was purchased new from a local highly reputable Leica dealer (Glazers) so i ruled that one out. Must've just been a full buffer because it was the last shot in the series. Bummer, as I wasn't really shooting that fast as I recall. Now I'm wondering if shooting DNG plus jpeg slows the buffer down more vs DNG by itself. Link to post Share on other sites More sharing options...
Shootist Posted June 12, 2007 Share #9 Posted June 12, 2007 Now I'm wondering if shooting DNG plus jpeg slows the buffer down more vs DNG by itself. Yes by a lot of time. Just test it and you will see. It take more then twice the time to write DNG+JPG then it does to write just DNG. The only time I shoot both DNG+JPG is when I'm looking for a B&W straight out of the camera. Link to post Share on other sites More sharing options...
robertwright Posted June 12, 2007 Share #10 Posted June 12, 2007 Yes by a lot of time. Just test it and you will see. It take more then twice the time to write DNG+JPG then it does to write just DNG. The only time I shoot both DNG+JPG is when I'm looking for a B&W straight out of the camera. thats what I used to do but since having that card failure I like the idea of having twice as many files to recover just in case. Link to post Share on other sites More sharing options...
waterlenz Posted June 12, 2007 Share #11 Posted June 12, 2007 I had a failed DNG too, due to shooting too many too fast. The red LED would not stop flashing, after a number of minutes I switched off the camera. The last DNG in the sequence consisted of jumbo-sized pixels. I only use jpg to chimp in B&W when using IR trans filters. Possibly a FW update could help by providing a more active warning and stopage to picture taking. Maybe a memory upgrade is forthcoming? Tom Link to post Share on other sites More sharing options...
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