Archived posting to the Leica Users Group, 2013/03/26
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thank you for this most interesting info. Regards. Cedric 2013/3/26 Jayanand Govindaraj <jayanand at gmail.com>: > It works brilliantly - I have hardly cleaned a sensor since Nikon > introduced this in their bodies. Before that I used to clean sensors all > the time with this gizmo called SensorKlear - which is I think the easiest > way to do it. Remember that in most bodies all that you are cleaning is the > anti-aliasing filter, not the sensor, which is relatively inexpensively > replaced even in the unlikely circumstance that something should go wrong: > > http://www.lenspen.com/?resultType=category¶ms=16&tpid=0&tpid=322 > > This is how you do it: > > http://www.lenspen.com/how_to_use/dslr_sensor_cleaning/ > > I still have these on hand for emergencies in the field... > > Cheers > Jayanand > > > > On Tue, Mar 26, 2013 at 12:01 PM, Herbert Kanner <kanner at acm.org> wrote: > >> Someone once told me that the sensor cleaning mechanism just vibrates the >> sensor to shake crap off. Didn't sound to me like anything that would work >> well, but from what you have experienced, it apparently does. >> >> Herbert Kanner >> kanner at acm.org >> 650-326-8204 >> >> Question authority and the authorities will question you. >> >> >> >> >> On Mar 23, 2013, at 1:30 PM, Nathan Wajsman wrote: >> >> > Sorry Cedric, but those old stories about Barnack etc., with which we >> are all familiar, have no relevance whatsoever to the subject at hand. >> Olympus came out with its SSWF technology in the E-1 in 2003, and within a >> couple of years it became standard on the other major brands--except >> Leica. >> I vaguely recall some engineering excuses for its absence on the M8 and >> later M9, but frankly speaking, as a user, I do not care about those >> excuses. All I know that with my inferior and much cheaper Pentax and >> Panasonic cameras I never have to clean the sensor and never have spots >> (and yes, I change lenses on those cameras at least as often as on the >> Leica), whereas on the Leica it is a recurring problem. >> > >> > No excuse. Putting liquids and swabs on sensors is just so pathetically >> 20th century. >> > >> > 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 Mar 23, 2013, at 8:41 PM, Cedric Agie wrote: >> > >> >> I do have some difficulties to agree with these humorous points of >> >> vieuw. Of course photographers by definition must be able to have a >> >> large point of vieuw. >> >> >> >>> From the beginning when Oskar Barnack had started playing with the >> >> idea of taking pictures with a cine film, he, and later Leitz, its >> >> technicians and engineers always did everything they could to improve, >> >> but also to symplify this wonderfull camera. And certainly once >> >> Grandfather Ernst Leitz I had decided to start its production. They >> >> not only do everything to symplify production, but also in the vieuw >> >> of after sales services i.e. repairs and maintenance (CLA etc). This >> >> cuts costs during and after production, that's nothing new in the >> >> economy. Don't forget Leicas are for a good part handmade, tuned and >> >> checked. It went so far that Oscar Barnack asked to have his own >> >> office next to the production hall with a large vieuw on it. He never >> >> stopped improving and simplyfying a model even during production. >> >> Break downs are often taken into consideration when cameras come back >> >> to the factory. >> >> >> >> A simple example; if you can have a look at every possible model of >> >> the M-4 since it came to the market. You will never see 2 identical >> >> models if you take a very close look at it. Dimensions and look don't >> >> change much but for ex the tiny screws that appear on the front of the >> >> camera holding it together, not only don't have the same look, but you >> >> will also find them at differend places as production was improved. >> >> >> >> Regarding the CCD and now CMOSIS captor, Leica tried to follow the >> >> evolution of this technology verry closely and used it as soon as >> >> possible. But they also have to do with it as it comes to market >> >> i.e. to make a good camera that suits their potential clients at a >> >> certain moment. I too cursed and fumbled at these tiny spots and specs >> >> I saw in the beginning with my beloved M-9. In time I took more care >> >> and precautions when changing lenses. Those of us if not most of us >> >> will certainly remember we often had to fight against dust, dirt, >> >> specs and tiny spots etc when we worked in the darkroom. Enlarging >> >> color and developping Ektachromes made things even worse. Moving a >> >> darkroom to another place had sometimes catastrophic consequences. >> >> >> >> There must be a way and a solvent that helps to clean the captor, >> >> maybe the same way we clean our lenses i.e. carefully. But who knows >> >> the formula of the contents of that magic and expensive bottle? Whe >> >> certainly will find out sooner or later. I do have an idea. I will let >> >> you know if I find out. >> >> >> >> Regards & have a good W-E. >> >> >> >> Cedric >> >> >> >> >> >> >> >> 2013/3/23 Bill Pearce <billcpearce at cox.net>: >> >>> I have heard similar laments from owners of German cars, about >> mechanical >> >>> issues not sensors. There is something about the Germans that I can't >> >>> understand. I have heard it said that German engineering means why use >> two >> >>> parts when ten will do? >> >>> >> >>> -----Original Message----- From: Nathan Wajsman >> >>> Sent: Saturday, March 23, 2013 1:45 AM >> >>> To: lug Group >> >>> Subject: [Leica] Sensor frustration >> >>> >> >>> >> >>> Why, oh why did Leica choose not to build in a sensor-cleaning system >> into >> >>> their cameras, pioneered by Olympus many years ago? Because zat is not >> ze >> >>> vay ve do it here, I suppose. But having spent 20 minutes fighting >> >>> with >> >>> spots on my M8 sensor, and probably having made the problem worse, I >> am just >> >>> frustrated. Basically, my M8 is useless for any pictures with blue sky >> in >> >>> them. >> >>> >> >>> Grumpy. >> >>> >> >>> 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 >> >> >> >> _______________________________________________ >> >> 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 >> > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information