[Leica] M9 sample ISO 1600

[dennis at hale-pohaku.net (Dennis)]

This is why the ones used in large astronomical instruments are cooled 
with liquid nitrogen. It's less that they run hotter but that heat 
causes stray electrons to enter the CC wells with the same effect as 
photons. Thus you have this error that is not from light.

Frank Dernie wrote:
> I read that CCD sensors give superior image quality in every way over 
> CMOS except for noise, which is greater because CCDs run hotter.
> Frank