Re: Astro CCDs still dragging their pixel feet

On Thu, 14 Apr 2005 23:22:12 +0100, Steve
<steve@xxxxxxxxxxxxxxxxxxxxxx> wrote:

>RichA wrote:
>
>> True, and the entry level for DSLRs is now 8 megapixels. It's likely
>> that it will be 12 before the year is out and there is every
>> indication that their use in amateur astronomy will continue to grow.
>> Especially since they now seem to be able to control high noise levels
>> previously associated with CCDs and long exposures(the Canon's are
>> CMOS) pretty well.
>
>The last time I looked, the best CMOS imagers are about 5 times noisier
>than the best CCD. Don't know about sensitivity though - the area of
>pixel available for sensing is smaller on CMOS imagers than CCD ones.
>
>Steve

According to one source, the Canon (Sony?)CMOS sensors are better than
the higher end Kodak CCDs when it comes to sensitivity, but I don't
know at what part of the spectrum.
-Rich
.