Archived posting to the Leica Users Group, 2013/12/01
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thanks for the suggestions, Geoff, but the lines are obvious even before I do anything in Lightroom, so they are not a consequence of any development boost--they are there in the RAW file. I guess I will just monitor the situation while M9 prices decline to my level ;-) Maybe I will send some of these images to Leica but based on my previous experience with them and the fact that this is a discontinued camera, I am not expecting much. Cheers, Nathan Nathan Wajsman Alicante, Spain http://www.frozenlight.eu http://www.greatpix.eu PICTURE OF THE WEEK: http://www.fotocycle.dk/paws Blog: http://nathansmusings.wordpress.com/ YNWA On Dec 1, 2013, at 9:19 AM, Geoff Hopkinson wrote: > Nathan these lines sometimes become more obvious when an image is > considerably underexposed and the darks boosted in developing (as does > noise of course). It is possible that individual photosites or the sensor > board develop problems, but I would have thought those would be evident > much earlier in the life of the body. Because of the way the data is read a > photosite (pixel) problem on that CCD could manifest as a line. Another > possibility sometimes discussed is that cosmic radiation from air travel > can affect sensors in some (rare?) circumstances. > It may be possible to map out individual sensor faults. I think that I > would shoot some careful test shots with varying exposures and ISO values > and see if I could isolate any specific problem points. You could contact > Customer Service for info, perhaps with samples? > > > > Cheers > Geoff > http://www.pbase.com/hoppyman > > > On 1 December 2013 18:04, Nathan Wajsman <photo at frozenlight.eu> wrote: > >> I bought my M8 new in December 2008, and have taken perhaps 20,000 >> pictures with it during the 5 years I have owned it. Lately, I have >> noticed >> that pictures taken in low light (so ISO of 1250 or sometimes even 640) >> have the horizontal line problem with increasing frequency. Last night we >> had friends over for Thanksgiving dinner, and to my dismay, the problem >> now >> even occurs at ISO 320, as in this picture: >> >> >> http://gallery.leica-users.org/v/belgiangator/misc/20131130-L1010169.jpg.html >> >> This is the first time I have seen this phenomenon at such a low ISO. >> >> Now I wonder if it can really be that a sensor "wears out" after so few >> actuations? Obviously, the camera is long out of warranty so sending it to >> Solms is not an option. Have others experienced this? >> >> In any case, I am taking the Fuji X-Pro 1 with me to Korea later today, it >> is a much better choice at this time of year when the light is low in >> northern latitudes. >> >> Cheers, >> Nathan >> >> Nathan Wajsman >> Alicante, Spain >> http://www.frozenlight.eu >> http://www.greatpix.eu >> PICTURE OF THE WEEK: http://www.fotocycle.dk/paws >> Blog: http://nathansmusings.wordpress.com/ >> >> YNWA >> >> >> >> >> >> >> >> >> >> >> _______________________________________________ >> 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 >