Velocity Reviews - Computer Hardware Reviews

Velocity Reviews > Newsgroups > Computing > Digital Photography > Re: cmos & ccd

Thread Tools

Re: cmos & ccd

Don Stauffer
Posts: n/a
Aren't the CMOS chips also CCDs? I thought they were both 'bucket
brigade' devices, but the normal ones in NMOS but some using CMOS CCD.

Jim Townsend wrote:
> Pena wrote:
> > Hi
> >
> > CCD's are suffering hot or dead pixels to some point BUT is it the same with
> > CMOS, does it have the same 'problem'?

> I don't think there's a big difference between either technologies as far as
> one having more dead pixels than the other.. You can read a detailed
> explanation of CMOS vs CCD here:
> > I have CMOS but so far noticed just
> > some occasional dust particles on the sensor.

> Yes, dust is a pain
> But.. you probably have A LOT more hot or dead pixels than you realize.
> When sensors are made, there are always inevitable flaws in the manufacturing
> process.
> At the factory, when the camera is being set up, they actually program the
> camera firmware to ignore, or map out the dead and hot pixels. Good firmware
> will actually re-create the eliminated pixels by averaging those that were
> adjacent to it.

Don Stauffer in Minnesota Removed)
Reply With Quote

Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off

Similar Threads
Thread Thread Starter Forum Replies Last Post
CMOS vs CCD - why Kodak has used a CMOS sensor in a small-sensor camera David J Taylor Digital Photography 4 08-15-2007 07:37 PM
CMOS vrs CCD Charlie Computer Support 3 05-08-2005 02:30 PM
Which is better - CCD or CMOS ? PeterH Digital Photography 6 01-06-2004 09:41 PM
Which Digital Cameras Use CMOS Sensors Instead of CCD's? N.E.1. Digital Photography 20 09-23-2003 12:20 PM
Re: cmos & ccd Pena Digital Photography 0 07-20-2003 05:31 PM