Archived posting to the Leica Users Group, 2010/02/28
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]My point was: it seems that the top of the line medium format sensors like the CFV 39 which has a 6.8 ?m or the PhaseOne P45+ has a 6.8 the Leica S2 has 6.0 etc. have CCD's with small size pixels So the trend for high end camera sensors seems to be CCD with these specs. I continue to believe that one chooses either fine detail and high dynamic range or high ISO performance. Of course this could change as technology continues to evolve. 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 3:33 PM, Mark Rabiner wrote: >> 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/ > > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information