Archived posting to the Leica Users Group, 2010/02/28
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]> Does anyone have any data > if this is true for CCD sensors? > > It appears to me that CCD's simply do not offer > the kind of high ISO performance that Cmos does. > > As far as I can tell > the current (so called) medium format CCD sensors > run about the the same sized sensor sites > as the M9. > > Regards, > George Lottermoser > george at imagist.com > http://www.imagist.com > http://www.imagist.com/blog > http://www.linkedin.com/in/imagist > > On Feb 28, 2010, at 1:30 PM, Mark Rabiner wrote: > >> And I'd not mind it if by then the sensor sites had been enlarged >> so I'm not >> getting 18 MP's but 12 and have a much higher useable iso range. As >> is par >> for the course right now. > Not talking CMOS vs. CCD my PhD didn't cover that. I'm pitching the idea of PIXEL PITCH SIZE. 6.8 x 6.8 ?m pixel pitch on the M9. The D700 I just checked as an idea to figure out what's going on and its got an 8.45-micron pixel pitch. That sounds more like it. Hence usably very high low noise ISO's which has become a standard for this day and age. I have a feeling a size around that is what I'm aiming for for my M9R! Search engine: pixel pitch size [Rabs] Mark William Rabiner Check out what "Clark" says http://www.clarkvision.com/imagedetail/does.pixel.size.matter/