Archived posting to the Leica Users Group, 2010/03/01
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Interestingly enough, the Nikon D3X supposedly can capture a greater DR than the p1 p65 across the board... On 1 March 2010 16:19, George Lottermoser <imagist3 at mac.com> wrote: > Not necessarily. > It can also mean more useable shadow detail > providing greater dynamic range (DR) > at optimized ISO ratings. > > Which is what I see when comparing > 5D files with M8 and DMR files. > > Yet the 5D delivers better high ISO performance. > > I'm not aware of any CCD camera or back > that can deliver the useable high ISO that current DSLR Cmos sensors do. > > Yet the CCDs deliver the micro detail and dynamic range > better than the Cmos at low to medium ISO. > > As far as I know the astronomical and scientific applications > continue to prefer using CCDs for their ability to record detail and DR. > > > Regards, > George Lottermoser > george at imagist.com > http://www.imagist.com > http://www.imagist.com/blog > http://www.linkedin.com/in/imagist > > On Mar 1, 2010, at 12:01 AM, Daniel Tan wrote: > > Hmmmmm... >> A better SNR implies better high iso characteristics... >> >> :Daniel >> >> On 1 March 2010 15:49, George Lottermoser <imagist3 at mac.com> wrote: >> >> That is also my understanding Jayanand. >>> CCD: >>> Better S:N (signal to noise) characteristics. >>> Greater dynamic range. >>> Greater ability to render micro detail. >>> More expensive to produce. >>> Requires more processing power. >>> >>> Cmos: >>> Higher ISO performance. >>> On board processors resulting in less power usage. >>> Lower Cost. >>> >>> >>> 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 9:17 PM, Jayanand Govindaraj wrote: >>> >>> If I remember right, CCD sensors have better noise characteristics than >>> >>>> CMOS >>>> ones. The major advantages of CMOS sensors are considerably lower power >>>> usage and lower manufacturing costs. >>>> >>>> >>> >>> _______________________________________________ >>> 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 > -- Daniel Tan Taniel.Dan at gmail.com