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Doug Kerr
June 8th, 2006, 08:50 AM
I have recently posted to my technical information site, The Pumpkin, an updated and substantially enlarged issue of my tutorial article, "The CMOS APS Digital Camera Sensor", available here:

http://doug.kerr.home.att.net/pumpkin/index.htm#CMOS-APS

(No, "APS" does not mean "Advanced Photo System", nor is it used in the sense of denoting a general range of camera sensor sizes.)

A principal change is the addition of an appendix in which I describe the organization and operation of the CMOS APS sensor as utilized by Canon in many of their contemporary EOS dSLR cameras (such as the EOS 20D). Thanks to our colleague Mitch Alsup for bringing the information on this arrangement to my attention.

Thanks also to Mitch and to David Greenberg for their considerable help in understanding some of the mysteries of CMOS device operation and for many other useful suggestions on my presentation.

Sid Jervis
June 8th, 2006, 08:55 AM
Doug, thanks again for more information to read :-)
The Pumpkin strikes again!

Chuck Fry
June 8th, 2006, 10:52 AM
Thanks once again for your enlightening articles, Doug!

BTW, I'm having trouble seeing the circuit diagrams in Mac OS X's Preview application. They show up as faint grey lines. I'd be happy to beta-test any future revisions of this article. ;)