Archived posting to the Leica Users Group, 2006/11/18[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]
On 19/11/2006, at 2:46, Frank Filippone wrote: > In response to BD's email about the M8 magenta cast.... > > I think that in today's marketing and sales driven marketplace, > digital or not, shipping without bugs ( known or not) is uncommon. > You must meet certain deadlines. Bad as that is, it is reality. > > However, the fact that you must use a piece of glass in front of > your lens.... note the operative word here is MUST.... is > unacceptable. ( No, I am not starting problems, it is an > opinion). If the sensor is slightly more magenta sensitive, the > glass > protecting filter should have been coated to attenuate the magenta > rays. ( that is what the applied filter will be doing). It is a > matter of a coating on the glass plate. It does not require more > glass over the sensor, thicker glass, SW interventions, or other > "extras". It is a VERY thin layer of deposited vapor on the glass > cover plate. It takes an optical engineer a few hours to > compute, a manufacturing engineer a few hours to try it. It is not > brain surgery. but it does not seem to need it 90% of the time. The majority of my images are not cast in magenta. I don't think it warrants a permanent filter, or we would lose the IR sensitivity which some people might like and use. It may not be that easy. > > It should have been done, it needs to be done, it is unacceptable > that it was not offered as the "fix", with free retrofitting to > early adopters. > > But Leica had to meet deadlines, and Leica does not want to be in > the business of sensor replacement. So it was not offered. > > Kodak did not screw up, Leica did. They should have tested the > sensor over the optical BW, found the error ( or they did find the > error and decided that the market would not find it or that it > would be fixed in SW) and offered to fix the issue in production > sensor glass cover plates. > > It is the only acceptable solution..... > > How many of the LUG have backgrounds in Technology and heard those > dreadful words... Fix it in ....SW?